BLUETOOTH V4.1 + APT-X: Bluetooth 4.1 + APT-X codex technology and advanced CVC 6.0 Noise Cancellation for class-leading wireless audio and optimal sound quality?? support A2DP??AVRCP??HSP??HFP?? profiles and two Bluetooth devices connected simultaneously.</br>COMFORTABLE SECURE FIT: Ergonomic earhooks design with silica gel?? light and soft?? very comfortable and secure fit for your ears?? perfect for outdoor activities including jogging?? hiking?? camping?? cycling?? gym.</br>IPX5 WATERPROOF: With internal nano-coating treatment?? NEXGADGET Bluetooth headphones are against water splashes and sweat?? ultimate wearing comfort for your active lifestyle.</br>EXCELLENT BATTERY PER"-in rechargeable lithium-polymer battery?? IOS battery indicator or voice prompt of power. Up to 8 hours music play or talking time?? and 240 hours stand-by with a quick charge of 1.5 hours?? long-lasting battery life keeps you connected for multiple workouts with ease.</br>UNIVERSAL COMPATIBILITY: Enjoy perfect compatibility with iPhone?? iPad?? Android Smartphones and tablets?? Windows devices?? and all popular Bluetooth devices. Built-in MIC delivers effortless?? hands-free call handling for convenient on-the-go practicality.</br></br>Product Description</br></br><b>Please contact us via ouxuan@Nexwill-us.com if you have any problems.</b> <br><br> <b>Class-leading Audio quality:</b> NEXGADGET Bluetooth headphones are engineered to support the aptX codec. When paired?? you'll have direct access to uncompromised natural sound that's as good as "unterparts. <br> <br><b>IPX5 Waterproof:</b> Nano coating chip and water resistant shell offer a double layer of water resistant protection. Can work against water splashes or sweat in the gym. <br> <br><b> Easy One-touch Control:</b> Intuitive?? easy access controls for shuffle and pause/play?? and built-in MIC for effortless call handling. <br> <br><b>Compatible With: </b> <br>For all IOS devices?? for Apple watch?? for iPhone 7 Plus?? 7?? 6S?? 6S Plus?? 6?? 6 Plus?? SE?? 5S?? 5C?? 5?? 4S?? 4 <br>For iPad 4th?? 3rd?? 2nd?? 1st?? iPad Mini <br>For Apple iPod Touch 4th?? 5th??