1. Bluetooth 5.0
2. Open the pop-up window, automatically pair, power display
3. Left and right ears freely switch
4. Low-power long-lasting battery life, music playback for 3.5 hours.
5.Binaural call for 3 hours, standby for 80 hours
6. One-button smart call siri
7. Wireless charging function (without wireless charging facility)