Product parameters:
1. BT chipset version: 4.1+EDR CSR8635BT.
2. Battery capacity: 450mAh.
3. Charging voltage / current: DC 5V / 190mA.
4. Frequency: 2.4 GHz.
5. Amplifier: HT4832SQ.
6. Working time: About 10 hours.
7. Mobile phone distance: 50 meters.
Packing List:
Headset host x 1
Microphone x 1
Speaker x 1
Fixed folder x 1
Screwdriver x 1
Charging cable x1
User Manual x1
Screw x 2
Nylon inner helmet x 2