INTRODUCING THE SONY WH-CH520: Enjoy superb sound for every song, in a style that suits you, Featuring our Digital Sound Enhancement Engine (DSEE), and so much more

HIGH-QUALITY SOUND, TAILORED TO YOU: These Sony headphones feature DSEE technology to upscale every track, 360 Reality Audio, and a customisable 5 band EQ in the Sony | Sound Connect app

LISTEN IN COMFORT AND STYLE: With soft earpads and weighing just 147g, these wireless headphones are comfortable, Choose Black, White, Blue, Beige, Pink, or Yellow to match your look

LONG BATTERY LIFE: Delivering up to 50 hours of battery life, you get power for days with these Bluetooth headphones, A quick 3-minute charge provides up to 90 minutes of playback

CLEAR CALLS, AUTOMATIC CONNECTION: The Sony WH-CH520 headphones capture your voice clearly, Multipoint Connection pairs two Bluetooth devices at once and seamlessly switches between them

QUICK, EASY CONTROL: Use buttons on the earcups or the Sony | Sound Connect app to control the WH-CH520 headphones, Swift Pair and Fast Pair make connecting to your devices simple

SWEATPROOF SPORTS EARPHONES: JLab Go Air Sport+ wireless earbuds have an IP55 sweat resistance rating, holding up against sweat and dirt. You can last through an intense workout and with our smallest sport fit ever, these lightweight Bluetooth gym headphones are mighty and fun!

SECURE FIT: The ergonomic over ear hook earphones fit even the smallest ears and stay securely and comfortably in place. Try all sizes of the gel tips to get the best secure sport fit for your in ear running headphones and just GO

LONG BATTERY LIFE: These wireless Bluetooth earbuds for sports feature 9+ hours of playtime in each earbud and 26+ extra hours from the charging case, a total of 35+ hours. Return to the case to recharge the cordless buds, and use the integrated USB cable to charge the case

CRYSTAL CLEAR CALLS: Wireless ear buds with dual connect and built-in MEMS microphone in each headphone bud to ensure clear calls; use the wireless running earphones together or singly; auto connect the headset to your device to walk, run, HIIT or talk on-the-GO

CUSTOM SOUND VIA JLAB APP: Use the JLab App to customise your Go Air Sport+ Bluetooth earphones with microphone, including Be Aware settings, touch controls, and sound preferences – or use the JLab Signature, Balance or Bass Boost EQ presets

WITH GOOGLE FAST PAIR: Enjoy effortless pairing with an Android device and locate missing earbuds with Google Fast Pair

【Flexible Sports Earhooks, Comfort-Fit】Unlike most Bluetooth headphones, BX27 sports earbuds are designed with use soft silica gel over-ear earhooks, while the end of the earhook has a non-slip design, even if it does not fall off even during strenuous exercise. And a single earbud is as light as 4.3g, equipped with 3 different sizes of high-quality silicone earplugs (S/M/L). And this running headphones wireless make an ideal companion while jogging, gym, workout, yoga and more sports

【New Bluetooth 5.4 Technology, Fast Pairing】Wireless earbuds are equipped with the new Bluetooth 5.4, which fully optimizes Bluetooth transmission and connection defects. Compared with Bluetooth 5.3, the data transmission rate of Bluetooth 5.4 is +20%, the connection stability is +50%, the power consumption is reduced by 30%. After pairing the devices for the first time, the wireless headphones will automatically connect when you take them out of the charging case

【75H Ultra Long Playtime, Dual LED Display】Bluetooth earbuds provide up to 15 hours continuous using time on a single charge, portable charging case can charge the ear buds for 5-6 times, giving 75 hours of a total playtime. Charging case presents its battery from 1%-100%, and the charging status of earphones by up and down of LED bar. Once the wireless earphones put in the charge case, it can be charged automatically. Never worry about battery life even on long trips

【Immersive Stereo Sound, Crystal Clear Calls】The noise cancelling earbuds have a built-in 14.2mm dynamic driver AAC/SBC audio decoder with a separate sound chamber design that delivers powerful HiFi Stereo and a dynamic listening experience to power your workout. At the same time, the Bluetooth earphones have built-in 4 clear microphones and CVC 8.0 noise reduction technology, which enhance vocal clarity by 75% and reduce external noise by 60%, making the call clearer

【IP7 Waterproof, Smart Touch Control】Rulefiss ear buds wireless earbuds with IP7 nano-coating technology, it can protect your sports headphones from sweat and rain during strenuous exercise or daily use. (NOTE: Please wipe the metal parts of the running earbuds with a dry cloth after exercise to avoid corrosion by sweat.) By touching the earphones wireless Bluetooth to answer the phone and hang up the phone, music play/pause, volume up/down, the operation is very simple and convenient

【Safe Open-Ear Design】Bone conduction headphones wireless differ from other in ear headphones by transmit sound through vibrations, keeping the ear open to ambient sounds. They avoid direct contact with the ear canal, preventing pressure and discomfort, ensuring a more comfortable listening experience over long periods.

【Bluetooth 5.4 & Multi-Mode】Open ear headphones with advanced Bluetooth 5.4 chip for stable transmission and low latency, featuring Dual Mode with Game Mode for ultra-low latency during gaming and Music Mode for high-quality sound performance. Easily switch between the two based on your activity.

【Crystal Clear Stereo Sound】Bone conduction earphones features a 16mm high-quality speaker driver unit, delivering clear and detailed audio performance. The built-in microphone ensures exceptional call quality, providing crystal-clear sound and powerful volume, allowing you to enjoy an immersive auditory experience.

【Sports Waterproof Headphones】Running earphones feature an IPX5 water resistance rating, with an anti-corrosion coating to protect against sweat and ensure easy cleaning. Ideal for cycling, gym workouts, ski, and runners.[Note: This product is not a swimming headphones and is not suitable for use underwater]

【Lightweight and Comfortable】Bone conduction Bluetooth headphones weigh just 28 grams and feature an elastic headband and memory foam ear tips for a secure, comfortable fit. The Running earphones feature a surround titanium alloy frame design, which is flexible and won't deform, with a skin-friendly soft coating that ensuring durability and stability during exercise.

2025 Upgraded Bluetooth 5.4 and effortless pairing: The wireless earbuds use latest Bluetooth 5.4 technology, with 85% faster audio data transmission speed, uninterrupted and stable transmission, and lower energy consumption (up to 15 meters), allowing you to easily control music and calls at home, in the office or anywhere; After the initial connection, just take the bluetooth earphones out of the charging case, the device will automatically pair with the earbuds.

75-Hour Playback and LED Digital Display: Wireless headphones can listen for 15 hours on a single charge, earphones can be fully charged for more use time, and the attached portable charging box can extend the playback time to 75 hours. Bluetooth earbuds adopts intelligent LED digital display screen, so you can easily know the battery consumption of ear buds wireless bluetooth and charging box, so as to master the charging time. You don't have to worry about battery life even on a long trip.

High-Fidelity Stereo Sound and Clear Calls: Our bluetooth headphones with 14.2mm vibrating diaphragm and AAC/SBC audio coding technology that delivers powerful bass, smooth mids, and clear treble bringing you an immersive and powerful sound experience. The wireless earphones feature a high-quality ENC noise-canceling microphone that passively cancels 90% of background noise, you can enjoy a best-in-class call experience whether you’re at the gym, on the go, or in a noisy environment.

Ergonomic Sports Design and IPX8 Waterproof: The noise cancelling headphones features ear hooks made of an innovative TPE (elastic) material, the ultra-light and ergonomic design allows you to wear them for a long time without feeling uncomfortable. Try the three tip sizes to get snug sport earbuds fit and create a perfect seal for crystal clear sound. Running headphones are waterproof with IPX8 technology, so you can take rain, and light sweat without breaking.

Smart Touch Controls and Wide Compatibility: Earphones wireless bluetooth with high sensitivity touch technology, and it can help you easily achieve multiple functions, including play/pause, answer/reject phone, volume adjustment, switch music, activate voice assistant, etc. Over ear earbuds are compatible with most Bluetooth music players including cellphones, tablets, computers, TV, etc.

Advanced Bluetooth 5.3 Technology: Wireless earbuds are equipped with the new Bluetooth 5.3, which fully optimizes Bluetooth transmission and connection defects, and successfully achieved non-disruptive latency. Use wireless headphones you will getting 3x faster transmission speed and more stable connectivity without signal loss or music dropouts. With a range of up to 15m, whether you are at home, in the office, or on the road, you don't have to worry about disconnection.

High-fidelity Audio and ENC Noise Reduction: Bluetooth earbuds 14.2mm large size speaker driver delivers powerful bass, mellow midrange, and clear treble, reproducing your music vividly. Built-in high quality MIC, noise cancelling earbuds adopt ENC tech that effectively separates your voice from the ambient sound, and makes communication clear.

Ergonomic Sports Design: The sports headphones features ear hooks made of an innovative TPE (elastic) material, the ultra-light and ergonomic design allows you to wear them for a long time without feeling uncomfortable. Try the three tip sizes to get snug in ear headphones fit and create a perfect seal for crystal clear sound. The wireless earbuds bluetooth are waterproof with an IP7 nano-coating to protect them when sweating or getting wet.

40 Hours Playtime and LED Digital Display: With fast charging Type-C interface, the in ear wireless headphones be fully charged for only need 1.5 hours. Playtime lasts for over 8 hours from a single charge and a total of 40 hours with the charging case. Features with a smart LED digital display, you can easily know the battery consumption on both wireless bluetooth headphones and the charging case so you can master the time to charge it.

Smart Touch Controls and Wide Compatibility: Bluetooth headphones in ear with high sensitivity touch technology, and it can help you easily achieve multiple functions, including play/pause, answer/reject phone, volume adjustment, switch music, activate voice assistant, etc. Wireless headset are compatible with most Bluetooth music players including cellphones, tablets, computers, TV, etc.

【High Fidelity Sound Headphones】Equipped with Bluetooth 5.3 chip, the wireless sport headphones can produce high quality stereo sound with deep rich bass and crystal treble. With sound isolation technology, which can reduce background noise.

【Wireless Bluetooth Connection Control】Up to 10 meters Bluetooth range in the open space and 3 meters in the obstacles space, the wireless bluetooth headphones can pair quickly with iOS, Android and other bluetooth devices, even can be connected with two devices. You can control to Play/Pause/Skip/Switch the music tracks by the buttons on the headset, instead of reaching the phone during sport.

【IPX-7 Waterproof Headphones】Built-in nano coating, the wireless earphones have IPX-7 waterproof rating that can 100% protect the headphones from sweat, splashing water and rain, suitable for running, hiking, yoga, exercises, gym, travelling and so on. You don't need to worry about the headphones being damaged in a humid environment.

【Ergonomic Design】The ear hooks of bluetooth sport earphones are designed to an appropriate size, making you feel comfortable to wear, which will never fall out during running. To ensure the good wearing experience, 4 pairs of regular ear tips in different sizes are provided for your custom fit.

【Long Battery Life Time】The new improved lithium polymer allows bluetooth sport headphones to play music for 12-16 hours and to stand-by for 250 hours with only 1.5 hours super quick charge time(type-C port) , full charger light indication is available. The sport headohones battery status will be automatically displayed on the iOS phone screen. (Attention: Please notice that the charging voltage must be not exceed 5.5V and the charing current must not exceed 3A)

✅ PREMIUM SOUND & ENC MICROPHONE — Open ear headphones feature a 15mm high‑dynamic driver that delivers more powerful bass, higher sensitivity, and lower distortion in a compact design. Bass is deep, mids are clear, and highs are full. The high‑sensitivity ENC mic amplifies your voice while dramatically reducing ambient noise, ensuring clear calls even in subways or crowds.

✅ SPORTS-FOCUSED & DIRECTIONAL AUDIO — open ear earbuds design ensures a secure, slip-resistant fit even during intense workouts. Ergonomically shaped and skin-friendly, it prevents stuffiness and stays comfortably cool even when worn with glasses. Running headphones use directional audio technology to eliminate sound leakage, providing full privacy protection. sports headphones is the ideal choice for running, cycling, dog walking, and outdoor adventures.

✅ BLUETOOTH 5.4 & QUICK PAIRING — over ear earbuds utilize Bluetooth 5.4 technology, doubling transmission speed for a stable and reliable connection. They support calls within 15 meters and music playback up to 20 meters. Multi-device Bluetooth connection allows effortless switching between smartphones, tablets, and computers.

✅ 40-HOUR BATTERY LIFE — Featuring Bluetooth 5.4, running earphones offer 10 hours of playback on a single charge, extending to a total of 40 hours with the charging case. gym headphones full charge takes only 1.5 hours, enabling you to enjoy up to 600 songs or 16 movies without the need for frequent recharging—ideal for long journeys.

✅ INTELLIGENT TOUCH CONTROLS & SCREEN DISPLAY & IPX6 — The running earbuds feature smart touch controls. headphones for running simple tap lets you quickly answer calls, switch tracks, adjust volume, or activate voice assistant. The LED screen clearly shows remaining battery life. With an IPX6 waterproof rating, the wireless headphones for sport effectively resist sweat, rain, and splashes, making them ideal for intense workouts and outdoor adventures.

✅ SUPER AFTERSALES — Our greatest pursuit is to satisfy the needs of consumers. sports earbuds are backed by full 1-YEAR WARRANTY and 100% Satisfaction Guarantee. Email our customer service and we will answer any of your questions/concerns. We offer 7*24 hours technical support.