Hands-free calling and high-quality sound: The Bluetooth headset adopts Bluetooth 5.3 chip technology, which can provide clearer sound and stable connection, so that you can hear clear calls, just like communicating with others face to face. No need to worry about being interrupted when listening to music and talking on the phone.LED charging box and 80 hours of play time: With built-in 500mAh battery LED charging box, the Bluetooth headset with microphone can be fully charged in 1.5 hours. With the charging box, the headset can be used continuously for about 80 hours, and it can also provide 5-6 charging times for wireless headsets.In-ear comfortable wearing design: The in-ear design can fit the left/right ear more comfortably. The ear hook rotates 180 vertically and 360 horizontally, and the flexible ear hook brings a comfortable wearing experience. It is lightweight and comfortable enough to wear for hours.Easy operation: The buttons on the wireless headset are physical, so there is almost no failure. All operations such as song forward/backward, music play/stop, answer/end/reject/, redial, mute function and SIRI can be easily accessed by the button on the ear, which can be operated smoothly even with one hand. The remaining battery power is displayed in the upper right corner of the smartphone home screen. You can track the battery power at any time.Two charging methods and connecting two devices: You can charge the Bluetooth mobile phone headset with a TYPE-C charging cable or a charging box. It can also connect 2 devices at the same time, so that you can separate life and work. It is ideal for office environment and driving.