1.??Hands Free Call and High Quality Sound??The bluetooth earpiece adopts the bluetooth 5.1 chip technology, which provides more clear sound and stable connection, allowing you to hear crystal clear calls like you are communicating face to face with others. Don't worry about interruptions on listing to music and calling. 2.??LED Charging Case ??Built in 500mAh battery LED charging case, the bluetooth headset with microphone can be fully charged in 1.5H. 3.??In Ear Comfortable Wearing Design??In ear designed can fit in left/right ear more comfortable. Earhook rotation of 180?? vertically and 360?? horizontally, the flexible ear hook for a comfortable fit. It is lightweight and comfortable enough to be worn for hours. 4.??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. 5.??Two Charging Methods & noise reduction??You can charge your bluetooth phone headset with TYPE-C charging cable or charging case. Dual MIC noise reduction, distinctive functional configuration, refined to every detail; Intelligent noise reduction gives you a clear sound quality experience.