【Bluetooth 5.0 】 D06-L Wireless earphone adopts the latest chip of Bluetooth 5.0, double the data transmission speed and 8 times the data transmission capability. 【HIFI high sound quality & bass emphasis AAC audio codec】enjoy the balanced high, medium, low tone zone, powerful bass transmission and high frequency zone fineness and the feeling of freedom to wireless. 【Smart connection & easy operation】Automatically turns on / off, earphones of both ears can pair and connect automatically. Take out the earphone from the battery case and the earphones turn on automatically. 【IPX5 Waterproof 】Sports Bluetooth earphone which can operate without problem even if wet with sweat of exercise or water of light rain.