1.Hands Free Call and High Quality SoundThe 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 and 60H PlaytimeBuilt in 500mAh battery LED charging case, the bluetooth headset with microphone can be fully charged in 1.5H. The headset can be used continuously for approximately 60 hours with the charging case, but also provide 5-6 charging times for the wireless earpiece. 3.In Ear Comfortable Wearing DesignIn 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 AssistantThe 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 You can charge your bluetooth phone headset with TYPE-C charging cable or charging case.It's a good ideal for office environments and driving.