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1. Chip name and model Zhongke Lanxun AB8856
2. The battery capacity of the battery compartment is 1800mAh
3. Battery protection board IC brand transistor battery protection board
4. The battery capacity of the headset is 55mA
5. Does one ear have batteries or both ears have batteries and both ears have batteries
6. How long can it be used for 3 hours each time
7. How many times can the battery compartment charge 35 times?
8.Bluetooth version v5.0+EDR
9. Double ear canal transmission or single ear canal transmission
10. Whether built-in microphone binaural dual microphone
11. Whether it is waterproof, if it is waterproof, what is the waterproof level IPX5
12. Bluetooth range: 10M or 50M 30 meters