?Ergonomic Wearing Design?This Bluetooth Headphones with in-ear design can fit the L/R ear more comfortably. 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. ?Dual Charging Methods & Dual Devices?This Single-Ear Earphones adopt Type-C mainstream interface, wide range of adaptation, fast charging. You can charge your bluetooth phone headset with TYPE-C charging cable or charging case. It can also be connected with 2 devices simultaneously, so you can separate your life and work. ?LED Charging Case & 100H?Only 1.5h charge time, up to 12-15 hours of continuous talk time. With the charging case can rechieve 100 hrs long standby. The wireless headset takes little time to charge but can last for all days. Meets the need for daily use. ?One Step Pairing & Dual Mic?Picking up the bluetoth earphone from the charging case,it will power on automatically with a voice prompt"Power on"and then activate mobile phone bluetooth to search to connect.wireless headset combines 2 built-in HD microphones which can eliminate background noise without missing any single conversation details. ?High Quality Sound & CVC 8.0 Handsfree Calling?Bluetooth earphones employs CVC 8.0 & Bluetooth 5.1 technology to provide clearer sound and a stable connection, allowing you to hear clear calls just like communicating with others face to face.