1. Bluetooth chip and bluetooth version: Realtek 5.0
Certificate: CE.FCC.ROHS and domestic patent certificate
2. Bluetooth protocol:
3. Headset battery: 3.7V100mAh standby time: about 250 hours
4. Battery model: 521417 (with protective plate)
5. Charging box battery;750~1000 (with protective plate)
6. Battery model;102040P (with protective plate)
7. Charging power: 5V/100mA
8. Transmission distance: barrier-free 10m
9..Frequency: 2.4 GHZ
10. Talk time: about 10-11 hours
11 listening time: about 10-11 hours