[Bluetooth 5.0 and one-step pairing] The two Bluetooth headsets use the latest Bluetooth 5.0 technology to provide faster pairing, stable connection and signal transmission (33 feet of obstacle-free range). After turning on the Bluetooth function, justtake out the two earbuds or any single earbud, and they will automatically turn on and connect. The powerful Bluetooth 5.0 chip is perfectly matched with tablets, laptops and Android smartphones! [Realistic sound and long battery life] Bluetooth headset is equipped with the latest mobile coil speaker speakers, has a larger dynamic driver, has Hi-Fi sound quality, deep bass and 3D surround sound, it feels like you are listening to a concerton the spot. You provide realistic sound. A single charge can keep the earplugs working for 5-6 hours. The charging box provides 4 charges for the earplugs, a total of 36 hours of working time. You can charge the earbuds anytime, anywhere. [Easy touch control] earplugs with touch control sensors can greatly reduce the pressure on your ears when you touch the buttons to perform various functions. The touch program adopts special software, which can play/pause music with one-touch anddouble-click, effectively reducing errors or inaccurate touches. In addition, it can increase or decrease the volume and return or forward songs and so on. It is more convenient when listening to music and making phone calls. [IPX5 Waterproof] wireless earplugs are certified for IPX5 waterproof, splash, sweat and rain. They are the perfect choice for exercise, ensuring that you dont have to worry about running or exercising. (Not suitable for swimming)