1. Bluetooth V5.0+EDR chip, ultra-low power consumption, faster transmission speed and longer distance. 2. Real wireless connection, left and right ear channel separation, HIFI sound. 3. Touch, you can answer the phone, adjust the volume / reduce the volume, the previous / next song, turn on / off, wake up Siri and other functions. 4. Both the left and right ears have full Bluetooth function and can be used alone or in pairs. 5. Remove the headset and the headset will automatically pair up. The headset is placed in the charging box to enter the charging mode, and the headset automatically shuts down. 6. The charging base battery capacity is 300mAh, the headphone battery capacity is 30mAh, and the charging stand can charge the earphone about 4 times.