About this item 【Hands Free Call and CVC 8.0 Handsfree Calling】The bluetooth earpiece adopts the bluetooth 5.1 chip technology,the wireless earphones provide a stable and reliable connection to your Android or iPhone device. providing you with a stable and low latency listening experience within 10 meters range.When opening the charging case,these bluetooth headset will turn on and connect to the previously connected device instantaneously. 【LED Charging Case and 60H Playtime】Built in 500mAh battery LED charging case,Only 1.5h charge time, the charging case is compatible with Type-C interface, supports wireless earbuds to be fully charged 5-6 times, In addition, the smart LED power display inside the case shows the remaining power in real time. 【Ergonomic Wearing Design】In ear designed can fit in left/right ear more comfortable.The earhook can be rotated 180° vertically and 360° horizontally, flexible and comfortable wearing. It's lightweight and comfortable for Business, Office, Driving and Trucker 【Mute Function and Active Voice Assistant】The bluetooth headset for cellphone supports voice assistant. Built in microphone,it also enables you to answer/reject calls and mute on the bluetooth headset. Easily mute/unmute with the press of a mute button. Wide compatibility: Supports dual connections. And it can connect to all Bluetooth devices such as Android/iOS cellphones/computers/PCs.