11 Best Swim Earphones for 2026 That Stay Put and Sound Great

For 2026, the best swim earphones combine secure fits and clear sound with high waterproof ratings like IPX8 or IP68. These ratings ensure your earphones stay safe even during intense swims or underwater workouts.

Plus, many top models now come equipped with bone conduction technology, which keeps your ears open and lets you stay aware of your surroundings while enjoying your tunes.

Look for swim earphones that offer ample storage—some come with 32GB for offline music, so you don’t have to rely on a connection.

Bluetooth versions like 5.4 or 6.0 provide quick, stable connections, making your listening experience smooth and hassle-free.

Materials matter too; durable and comfortable options like silicone or titanium help your earphones stay put without irritation.

If you want to enjoy both quality sound and a secure fit underwater, knowing these key features will help you find the perfect pair for your swimming sessions.

PSIER Waterproof Bone Conduction Headphones with MP3

Experience music like never before with the PSIER Waterproof Bone Conduction Headphones with MP3, designed to keep you motivated during every swim. These headphones solve the common problem of bulky, water-sensitive audio gear by offering a fully waterproof design rated at IPX8, allowing safe submersion up to 2 meters for an hour.

The built-in 32GB storage lets you enjoy your favorite tracks offline, so you can leave your phone poolside and stay focused on your workout. The open-ear bone conduction technology ensures you remain aware of your environment, enhancing safety without sacrificing sound quality.

Lightweight and comfortable, the soft silicone cushions provide a secure fit that won’t irritate your skin during extended use. Bluetooth 6.0 enables quick connections and smooth switching when you’re out of the water.

Maintenance is simple; just rinse with fresh water after use and avoid harsh chemicals to keep them in optimal condition. Magnetic charging and touch controls make operation effortless even when wet.

Best for: swimmers and fitness lovers who want durable, waterproof headphones with offline music capabilities while staying alert to their surroundings.

What We Like:

• IPX8 waterproof for safe underwater use
• 32GB internal storage for offline listening
• Comfortable open-ear design for situational awareness
• Bluetooth 6.0 for low latency and easy connectivity
• Magnetic charging and intuitive touch controls

Specification:

Feature	Details
Manufacturer	PSIER
Waterproof Rating	IPX8
Storage Capacity	32GB
Connectivity	Bluetooth 6.0
Battery Life	Up to 8 hours
Weight	Lightweight (exact weight not specified)
Material	Silicone cushions
Color Options	Not specified

SHOKZ OpenSwim Pro Bluetooth Waterproof Sport Headphones

Experience uninterrupted music even underwater with the SHOKZ OpenSwim Pro Bluetooth Waterproof Sport Headphones. These innovative headphones solve the common problem of losing connection while swimming by enabling offline MP3 playback of up to 8,000 songs. You no longer need to carry a separate device to enjoy your favorite tracks during swims.

The headphones feature an IP68 waterproof rating, allowing submersion up to two meters for two hours. This durability makes them ideal for swimmers and athletes who face intense water and sweat exposure. Their ergonomic open-ear design ensures a secure fit, comfortably worn under swim caps, goggles, or helmets without blocking ambient sounds.

Switching between offline MP3 playback underwater and Bluetooth streaming on land is effortless via the app or a button. Maintenance is simple, but note that Bluetooth functions only work outside water, and offline playback is limited to the MP3 format. While call quality is clear, microphone performance may be less effective in noisy settings.

Best for: swimmers and athletes who need reliable, waterproof headphones with seamless offline music playback and clear calls during workouts.

What We Like:

• Stores up to 8,000 songs for offline playback underwater without a phone
• IP68 waterproof rating supports use up to 2 meters deep for 2 hours
• Secure, ergonomic open-ear design fits well with swim gear
• Easy switching between offline and Bluetooth modes on land

Specification:

Feature	Details
Manufacturer	SHOKZ
Waterproof Rating	IP68
Max Submersion Depth	2 meters
Max Submersion Time	2 hours
Playback Storage	Up to 8,000 MP3 songs
Battery Life	Up to 9 hours
Design	Open-ear, ergonomic fit

SHOKZ OpenSwim Pro Waterproof Bone Conduction Headphones

Experience music like never before with the SHOKZ OpenSwim Pro Waterproof Bone Conduction Headphones. Designed for swimmers and athletes, these headphones deliver sound through bone conduction, keeping your ears open to hear your environment. This enhances safety during workouts, allowing you to stay alert while enjoying your favorite tunes.

The lightweight, ergonomic design fits comfortably with swim caps, goggles, and helmets. Its IP68 waterproof rating means you can submerge these headphones up to 2 meters deep for 2 hours without worry. They also resist sweat and water damage, making them ideal for intense training sessions.

With built-in MP3 storage, you can load up to 8,000 songs and listen offline without needing your phone in the water. Bluetooth streaming works on land, providing flexibility for different activities. Battery life lasts up to 9 hours, and quick charging keeps your music going.

Maintenance is straightforward—simply rinse with fresh water after use and dry thoroughly to keep them in optimal condition. The absence of a headphone jack means you rely on wireless and onboard playback options.

Best for: Athletes and fitness enthusiasts who want to safely listen to music or podcasts while swimming, running, or training without losing awareness of their surroundings.

What We Like:

• Clear sound with open-ear bone conduction technology for situational awareness
• Waterproof IP68 rating suitable for swimming and sweaty workouts
• Large built-in MP3 storage for offline listening without a phone
• Comfortable, secure fit compatible with swim gear and helmets

Specification:

Feature	Details
Manufacturer	SHOKZ
Weight	Lightweight (exact weight not specified)
Waterproof Rating	IP68 (up to 2 meters for 2 hours)
Connectivity	Bluetooth (land only), Built-in MP3 player
Battery Life	Up to 9 hours
Material	Ergonomic, water-resistant design

Bone Conduction Waterproof Swimming Headphones with 32GB

Experience music like never before with the Bone Conduction Waterproof Swimming Headphones with 32GB. These innovative headphones let you enjoy your favorite tracks both in and out of the water without blocking your ears. Their open-ear design uses bone conduction technology to deliver sound clearly while allowing you to stay aware of your surroundings.

Designed for swimmers and water enthusiasts, these headphones boast an IPX8 waterproof rating, making them ideal for swimming, diving, and snorkeling. You can easily switch from Bluetooth 6.0 mode on land to MP3 mode underwater, ensuring seamless music playback wherever you go. The built-in 32GB storage holds up to 8,000 songs, eliminating the need for carrying extra devices while swimming.

Maintenance is straightforward but important. Magnetic charging requires the device to be dry before plugging in to avoid charging issues. Lightweight and flexible, the headphones fit comfortably under swim caps and goggles, reducing discomfort during long sessions.

While Bluetooth won’t work underwater, switching to MP3 mode ensures uninterrupted music. The open-ear design prevents ear soreness but does not include noise cancellation, which may affect sound clarity in noisy environments.

Best for: Swimmers, triathletes, and water sports enthusiasts seeking waterproof headphones that deliver comfortable, versatile music playback both in and out of water.

What We Like:

• Dual-mode functionality (Bluetooth on land, MP3 underwater) for versatile use
• Open-ear bone conduction technology avoids ear discomfort
• Large 32GB built-in storage supports extensive music libraries
• Lightweight and flexible design fits under swim gear comfortably
• Magnetic charging enables quick and easy power-ups

Specification:

Feature	Details
Manufacturer	Not specified
Waterproof Rating	IPX8
Connectivity	Bluetooth 6.0 / MP3 mode
Storage Capacity	32GB
Weight	Lightweight (exact weight not specified)
Design	Open-ear bone conduction
Charging	Magnetic charging

LiteSurge Waterproof Bone Conduction Swimming Headphones

Experience music like never before with the LiteSurge Waterproof Bone Conduction Swimming Headphones. Designed for swimmers and water lovers, these headphones deliver clear sound without blocking your ears. The open-ear design lets you stay aware of your surroundings while enjoying your favorite tunes.

Their IP68 waterproof rating ensures reliable performance in pools and open water. With 32GB of built-in memory, you can listen to thousands of songs offline—no need to worry about Bluetooth underwater. Lightweight and foldable, they fit comfortably for hours, making them ideal for long swim sessions.

Charging is simple with the magnetic charger, but keep in mind to dry the microphone after swimming to maintain clear call quality. Although Bluetooth streaming doesn’t work underwater, switching to offline mode keeps your music going. They also pair easily with iOS and Android devices for versatile use.

Best for: swimmers and outdoor enthusiasts who want durable, waterproof, open-ear headphones with offline playback and all-day comfort.

What We Like:

• IP68 waterproof and skin-friendly liquid silicone for secure, comfortable wear during water activities
• Large 32GB memory enables offline music playback without Bluetooth interference
• Lightweight, foldable design with magnetic charging and cross-platform compatibility

Specification:

Feature	Details
Manufacturer	LiteSurge
Waterproof Rating	IP68
Memory	32GB built-in
Connectivity	Bluetooth 5.4 (wireless), Offline MP3 playback
Material	Liquid silicone
Weight	Lightweight (exact weight not specified)
Color Options	Not specified

Waterproof Soft Silicone Bone Conduction Swim Headphones

Experience freedom in your workouts with the Waterproof Soft Silicone Bone Conduction Swim Headphones. Designed to stay securely in place, these headphones eliminate the hassle of earbuds slipping during swimming, running, or diving. Their soft silicone build ensures comfort without irritation, perfect for long sessions.

The unique bone conduction technology lets you hear music clearly while staying aware of your surroundings—ideal for outdoor activities. With an IPX8 waterproof rating, these headphones handle full immersion effortlessly, so you can focus on your performance, not your gear.

Maintenance is simple thanks to the durable, skin-friendly silicone material. Just rinse with fresh water after use to keep them clean and ready. The titanium memory wire neckband provides a lightweight yet sturdy fit that adapts to your movements without causing discomfort.

Enjoy flexible listening with dual playback modes: a built-in 32GB MP3 player and Bluetooth 4.0 connectivity. Around 7 hours of battery life supports extended workouts, though frequent charging may be necessary for all-day use. Safety LED lights add visibility for night runs, enhancing your safety.

Best for: Active swimmers, runners, and divers seeking durable, comfortable bone conduction headphones with waterproofing and reliable sound quality.

What We Like:

• IPX8 waterproof rating for confident use in water
• Dual playback with 32GB MP3 and Bluetooth 4.0
• Soft, hypoallergenic silicone and titanium neckband for comfort
• Safety LED lights for nighttime visibility

Specification:

Feature	Details
Manufacturer	Not specified
Dimensions	Not specified
Weight	Lightweight
Material	Soft silicone, titanium wire
Color Options	Not specified

Waterproof Bone Conduction Swimming Headphones with MP3

Experience music like never before with the Waterproof Bone Conduction Swimming Headphones with MP3. Designed specifically for underwater use, these headphones let you enjoy your favorite tunes without the hassle of carrying a phone. Their IP68 waterproof rating ensures they stay fully functional even during intense swimming sessions.

The innovative bone conduction technology transmits sound through your cheekbones, keeping your ears open and aware of your surroundings. This feature is perfect for swimmers who need to stay alert while training or exercising in the water. With 32GB of built-in MP3 storage, you can listen offline to thousands of songs without relying on Bluetooth underwater.

The lightweight, adjustable design fits comfortably with swim caps and stays secure during long swims. Magnetic fast charging keeps your headphones powered up quickly, so you spend less time waiting and more time swimming. For maintenance, simply rinse with fresh water after use to keep them clean and ready.

Best for: Swimmers and aquatic fitness enthusiasts seeking a durable, waterproof headphone solution with offline music playback and situational awareness.

What We Like:

• Fully waterproof with IP68 rating, ideal for underwater swimming
• 32GB built-in MP3 storage for offline listening without a phone
• Open-ear bone conduction technology maintains awareness of surroundings
• Lightweight and adjustable design fits well with swim caps
• Magnetic fast charging for quick power-ups

Specification:

Feature	Details
Manufacturer	Not specified
Dimensions	Not specified
Weight	Lightweight
Material	Not specified
Color Options	Not specified
Waterproof Rating	IP68
Storage Capacity	32GB built-in MP3
Bluetooth Version	6.0

AGPTEK IPX8 Waterproof In-Ear Swimming Earbuds

Experience uninterrupted music even underwater with the AGPTEK IPX8 Waterproof In-Ear Swimming Earbuds. Designed specifically for swimmers, these earbuds deliver clear sound while enduring immersion up to 1.5 meters. Their IPX8 rating ensures reliable waterproof protection during your swim or water workouts.

The earbuds’ coiled cable prevents tangling, offering hassle-free use every time. With multiple ear tip sizes, you’ll find a snug, comfortable fit that stays secure during vigorous activity. This design helps you focus on your exercise without distractions from slipping or discomfort.

Maintaining these earbuds is simple; just rinse them with fresh water after use and dry thoroughly to preserve their waterproof integrity. Compatible with any device featuring a 3.5mm jack, they provide broad compatibility for various audio sources.

While the wired connection may limit mobility compared to wireless options, it guarantees consistent audio without battery concerns. These durable earbuds meet FCC, CE, and ROHS standards, combining safety and performance for active users.

Best for: Swimmers and athletes seeking waterproof, wired earphones that deliver clear sound and stay secure during water-based activities.

What We Like:

• Reliable IPX8 waterproof rating for swimming and water sports
• Coiled cable design minimizes tangling and enhances durability
• Multiple ear tip sizes ensure a comfortable, secure fit
• Broad device compatibility via 3.5mm audio jack

Specification:

Feature	Details
Manufacturer	AGPTEK
Waterproof Rating	IPX8 (up to 1.5 meters)
Cable Type	Coiled, wired
Ear Tip Sizes	Small, Medium, Large
Compatibility	Devices with 3.5mm jack
Certifications	FCC, CE, ROHS
Weight	Lightweight

Waterproof Bone Conduction Swimming Headphones with 32GB

Experience music like never before with the Waterproof Bone Conduction Swimming Headphones with 32GB storage. These headphones use bone conduction technology to deliver clear sound without covering your ears, letting you stay aware of your surroundings while swimming. The open-ear design ensures comfort during long sessions in the water.

Designed for swimmers, they are fully waterproof with an IP68 rating, allowing full submersion without damage. You can enjoy your favorite tunes underwater by storing over 80,000 songs directly on the device, which eliminates the need for Bluetooth connectivity while swimming. This feature solves the common problem of signal loss underwater.

Maintenance is simple—just keep the charging port dry during use and charge with the magnetic fast charger between swims. The adjustable headband fits securely over swim caps for a snug fit. Bluetooth 6.0 enables stable connections when you are out of the water.

Best for: Swimmers and water sports enthusiasts seeking comfortable, reliable, and fully waterproof headphones with extensive offline music storage and situational awareness both underwater and above water.

What We Like:

• Comfortable open-ear bone conduction design for situational awareness
• Large 32GB internal storage for offline MP3 playback underwater
• IP68 waterproof rating ensures durability during full submersion
• Magnetic fast charging and long battery life for extended use
• Adjustable headband fits securely over swim caps

Specification:

Feature	Details
Manufacturer	Not specified
Dimensions	Not specified
Weight	Lightweight
Material	Not specified
Color Options	Not specified
Waterproof Rating	IP68
Storage Capacity	32GB
Connectivity	Bluetooth 6.0 (above water)

Underwater Bluetooth 5.4 Bone Conduction Headphones

Experience music like never before with the Underwater Bluetooth 5.4 Bone Conduction Headphones, designed to keep you connected to both your tunes and your environment. Their unique bone conduction technology transmits sound through your cheekbones, allowing you to enjoy clear audio while staying aware of ambient noises. This is especially useful for swimmers and outdoor enthusiasts who need to remain alert.

The open-ear design enhances safety by letting you hear surrounding sounds, making these headphones ideal for active use. Crafted with a lightweight titanium frame, they provide comfort during extended wear. The IPX8 waterproof rating means they can be submerged up to 2 meters, perfect for swimming or water sports.

While Bluetooth connectivity is disabled underwater, you can switch to MP3 mode using the built-in 32GB storage. This allows uninterrupted music playback without the need for a wireless connection. Battery life supports 7 to 10 hours of use, though longer sessions may require recharging.

Maintenance is simple: rinse with fresh water after exposure to chlorinated or salt water and dry thoroughly to preserve performance and durability.

Best for: Active swimmers and outdoor enthusiasts who want to enjoy music safely without blocking environmental sounds.

What We Like:

• Bone conduction tech delivers clear sound while keeping ears open
• Waterproof up to 2 meters with durable titanium frame
• 32GB built-in storage enables offline music playback underwater
• Comfortable, lightweight design for long sessions
• Easy maintenance with rinse-and-dry care instructions

Specification:

Feature	Details
Manufacturer	Not specified
Dimensions	Not specified
Weight	Lightweight titanium
Material	Titanium frame
Color Options	Not specified
Waterproof Rating	IPX8 (up to 2 meters)
Storage Capacity	32GB
Bluetooth Version	5.4
Battery Life	7–10 hours

ANSTEN Waterproof Bluetooth Bone Conduction Swimming Headphones

Experience music like never before with the ANSTEN Waterproof Bluetooth Bone Conduction Swimming Headphones. Designed to keep your ears open, these headphones let you stay aware of your surroundings while enjoying clear, crisp sound. Their unique bone conduction technology transmits audio through your cheekbones, perfect for swimmers and outdoor athletes who need to stay alert.

Weighing just 26g, their ergonomic and foldable design ensures a secure, comfortable fit during any workout. The IPX8 waterproof rating means you can dive, swim, or surf without worry. Plus, when underwater, switch easily to the built-in 8GB MP3 mode to listen without Bluetooth interference.

Maintenance is simple thanks to the durable titanium frame that resists bending and corrosion. Bluetooth 6.0 offers fast, stable connections and supports pairing with two devices up to 10 meters away. With up to 8 hours of playback and convenient volume controls, these headphones balance performance and convenience.

Best for: swimmers, athletes, and fitness lovers seeking waterproof, open-ear headphones that deliver clear audio while keeping them connected to their environment.

What We Like:

• IPX8 waterproof and flexible titanium structure for durability in water
• Built-in 8GB MP3 player for offline listening underwater
• Lightweight 26g design with ergonomic fit for secure wear
• Bluetooth 6.0 for fast, stable connections and dual-device pairing

Specification:

Feature	Details
Manufacturer	ANSTEN
Weight	26g (0.057 lb)
Waterproof Rating	IPX8
Storage	8GB built-in MP3 memory
Connectivity	Bluetooth 6.0
Material	Titanium frame
Range	Up to 10 meters

Factors to Consider When Choosing Swim Earphones

When choosing swim earphones, you’ll want to focus on waterproof rating, audio quality, and how comfortable they feel during use.

Battery life and connectivity options also play a big role in ensuring uninterrupted listening.

Keeping these factors in mind will help you find the perfect pair for your swimming sessions.

Waterproof Rating Importance

Although many factors influence your choice of swim earphones, the waterproof rating plays a crucial role in ensuring they withstand water exposure without damage. Ratings like IPX7 and IPX8 guarantee that your earphones can handle sweat, rain, and full water immersion.

For serious swimmers or divers, IPX8 is ideal because it supports submersion beyond 1 meter for extended periods. Choosing the right waterproof rating protects the internal electronics, preventing malfunctions and extending your earphones’ lifespan.

It also helps you match your earphones to your specific activities, whether you’re swimming laps, enjoying water sports, or facing outdoor rain. By paying attention to waterproof ratings, you ensure durability and reliable performance every time you hit the water.

Audio Quality Features

Since you’ll want crystal-clear sound while swimming, focusing on audio quality features is essential when choosing swim earphones. Look for models with high-quality drivers supporting a wide frequency range, ideally 20Hz-20kHz, to enjoy clear, immersive sound.

Consider audio enhancements like active noise cancellation or noise isolation to block out distracting pool noise. Check if your earphones support MP3 offline storage or Bluetooth streaming for versatile playback without interruptions.

Don’t overlook impedance and sensitivity ratings; these affect loudness and distortion, ensuring your earphones perform well with your devices. Lastly, prioritize stable, low-latency connections such as Bluetooth 5.4 or 6.0 to keep audio perfectly synchronized with your swimming strokes and movements.

Fit and Comfort

Because swim earphones must stay secure during vigorous water activities, fit and comfort are crucial factors to consider. You want earphones made from soft, skin-friendly materials like silicone or liquid silicone to avoid irritation during long sessions.

Look for adjustable headbands or ear hooks so you can customize the fit to your head size. This way, the earphones stay put without feeling tight.

If you prefer less pressure on your ear canal, consider open-ear or bone conduction designs—they reduce soreness and let you stay aware of your surroundings.

Also, prioritize lightweight models, ideally under 50 grams, to minimize fatigue and keep you comfortable during extended use. Choosing swim earphones with these features ensures they stay secure and comfortable no matter how intense your water activities get.

Battery Life Expectancy

When choosing swim earphones, you’ll want to focus on battery life to ensure they keep up with your longest sessions. Aim for models offering at least 7 to 9 hours of playtime to cover extended water workouts without interruption.

Quick charging is a bonus—some earphones provide 10 minutes of charging for an extra 3 hours of use. That can be a lifesaver if you’re short on time.

Check the battery capacity and type, as larger mAh ratings or MP3 storage capacities often mean longer playback. Remember, underwater MP3 modes usually last longer than Bluetooth streaming, which drains batteries faster.

Finally, read user reviews to get a realistic sense of battery performance since actual endurance can vary with how and where you use them.

Connectivity Options

Battery life keeps your swim earphones powered through long sessions, but without reliable connectivity, even the best battery won’t deliver the experience you want. First, make sure your earphones support Bluetooth or MP3 modes that match your devices and activities, whether you’re underwater or on land.

Look for low-latency Bluetooth 5.4 or 6.0 to keep audio perfectly synced during movement. Check the wireless range, usually between 10 to 33 feet, to avoid drops while swimming or exercising.

Dual-device pairing is a handy feature if you switch between gadgets frequently. Also, consider magnetic or quick-charging capabilities to minimize downtime, ensuring your earphones stay ready for long water sessions without interruption.

Reliable connectivity is key to enjoying your swim workouts fully. So, keep these tips in mind to get the most out of your swim earphones!

Storage Capacity

Storage capacity plays a crucial role in how you enjoy music during your swim sessions. It determines how many songs or audio files you can load onto your swim earphones without relying on a phone or external device.

Opting for higher storage, like 32GB or more, lets you carry thousands of songs, which is perfect for underwater use where Bluetooth won’t work. Earphones with ample internal storage eliminate interruptions caused by signal loss or interference since you’re not streaming.

If you have long training sessions or extended water trips, integrated MP3 players with large storage offer great convenience. When picking storage capacity, consider how long you typically swim and whether you prefer offline playback over streaming.

This way, you can ensure your music keeps pace with your workout and you never run out of tunes underwater.

Frequently Asked Questions

How Do Swim Earphones Handle Ear Infections or Hygiene Concerns?

You should clean swim earphones regularly to prevent bacteria buildup and reduce ear infection risks. Choose waterproof, antimicrobial models, and never share them.

Always dry your ears and devices thoroughly after use to keep hygiene in check. This helps keep things fresh and lowers the chance of any issues.

Can These Earphones Be Used in Saltwater Without Damage?

Yes, you can use these earphones in saltwater, but you should rinse them with fresh water afterward to prevent damage.

Regular cleaning helps maintain their performance and longevity, keeping them safe from salt corrosion and buildup.

It’s a simple step that really makes a difference in how long your earphones last. Just give them a quick rinse after every swim, and you’ll be good to go!

What Is the Typical Battery Life During Continuous Swimming Use?

You’ll typically get around 6 to 10 hours of continuous use from swim earphones, depending on the model and volume.

Some advanced ones even offer quick charge features, so you won’t run out mid-swim. Pretty handy, right?

Are There Any Recommended Waterproof Cases for Extra Protection?

Think of a waterproof case as a knight’s shield for your earphones. You’ll want brands like AquaVault or Joto—they’re tough, reliable, and keep water at bay.

That way, your gear stays safe during every swim. It’s all about extra protection when you need it most.

How Do These Earphones Impact Underwater Hearing Safety?

They can slightly muffle natural underwater sounds, so you’ll want to keep volume moderate to protect your hearing.

Always stay aware of your surroundings for safety, and never rely solely on earphones while swimming.

Conclusion

Choosing the right swim earphones is like finding the perfect swim cap—they need to fit snugly, stay secure, and perform flawlessly. Whether you prefer bone conduction or built-in storage, these top picks keep your music flowing underwater without skipping a beat.

Keep comfort, waterproof rating, and sound quality in mind to make your choice. Dive in confidently knowing your tunes will stay put, letting you swim with rhythm and ease every time.

When selecting swim earphones, it’s crucial to focus on durability and secure fit to ensure they stay put during every stroke. The best swim earphones combine excellent sound quality with a waterproof design, making your underwater workouts more enjoyable. So, whether you’re training for a triathlon or just enjoying leisurely laps, the right swim earphones will keep you motivated and connected to your favorite music.