Product parameters:
1. Channel: stereo
2. How to use: head-mounted
3. Bluetooth version: V5.0+EDR
4. Frequency range: 2.402GHz-2.480GHz
5. Charging time: about 1 hour
6. Standby time: about 160 hours
7. Standby time: about 160 hours
8. Continuous working time: about 8 hours
9. Range: 20-30 meters (depending on the device: the transmission distance is different due to environmental factors and mobile Bluetooth devices)
10. The transmission distance of the microphone: less than 1 meter
11. Unilateral headset power: 0.5W
12. Lithium ion battery: 3.7V / 180mA
13. Charging voltage: 5V
14. Function: support music, call back, call function, switch between Chinese and English, can answer automatically
15. Weight: about 50 grams
16. Dimensions: length 250 mm, thickness 14 mm

Accessories:
1. usb charging cable
2. English manual