[One-step pairing]: Auto power on and paring after removing the earphones from the charging case. At the same time, the device will automatically turn off and go into charging mode after being reset in the charging box. Once fully charged, the device will automatically turn off[Wireless and USB-C Charging Design] AceScreen K6 incorporates wireless charging technology with USB-C so you can choose the charging method as you wish. Choose wireless charging mode and enjoy your beautiful music music.[HIFI sound and the new version of Bluetooth 5.0]: The wireless earphones have high fidelity sound and make your music more beautiful. Use the most advanced Bluetooth 5.1 and TWS technology to provide a more stable remote connection, faster pairing speed and better overall compatibility.[60 hours of standby time]: The headset standby time is 60 hours. Support continuous talk for 4-5 hours / music listening for 5-6 hours, and the headset can be used with the charging box for up to 30 hours of listening. It only takes 1.5 hours to fully charge the headset.Sweatproof Function: IPX5.0 waterproof level protects your earphones from sweat during exercise and prevents fogging and water drops, so you can do whatever you want. Besides, our earphones are not only compatible with iPhone, iPad, but also Android phones, for example: Samsung, Huawei, Xiaomi, Google, LG.