Features: *Equipped with BT Version 5.0. low power consumption. quick connection speed which brings you an unprecedented experience. *Waterproof and sweatproof design enables you to enjoy outdoor sports in rainy days. no worry about water and sweat. *Built-in microphone enables hands-free calls to set free your hands when doing sports. *Supports noise reduction and high phone call quality. *With line control buttons. easy to control playing / pausing. adjusting the volume. previous / next songs. answering / rejecting / ending calls. *Equipped with BT Version 5.0. low power consumption. quick connection speed which brings you an unprecedented experience. *Waterproof and sweatproof design enables you to enjoy outdoor sports in rainy days. no worry about water and sweat. *Built-in microphone enables hands-free calls to set free your hands when doing sports. *Supports noise reduction and high phone call quality. *With line control buttons. easy to control playing / pausing. adjusting the volume. previous / next songs. answering / rejecting / ending calls.