Our wireless earphone adopt advanced Bluetooth 5.0 technology and antenna technology, which provides fast and stable transmission, 33ft-50ft bluetooh range. With built-in high-quality audio chip, It catches every details of music and transmits rich sounds with crisp treble and proper bass. CVC 8.0 noise cancellation technology reduces ambient noise and echo, ensure Hi-Fi sound clarity. Just take them out from magnetic charging case and they automatically turn on and connect to your device. With smart touch control design, there is no pressure when touching the control,easy to operate and have a great enjoy with it.Reduce the pain caused by the buttons.