Generic Hv-800 A2dp Wireless Bluetooth Stereo Headset Universal Neckband for Cellphones (Black)

Specifications:
1. Charging voltage: Micro USB 5V
2. Working current: 25-30mA
3. Bluetooth A2DP Working range: 10m
4. Output power: 2X20mW
5. Frequency range: 2.401-2.480GHz
6. Distortion factor: ‰¤1%
7. Frequency response: 20Hz-20KHz
8. Working Time: Music state 6-8 hours (The Volume will affect the time)
9. SNR: S/N‰¥95
10. Charging Time: 2h-3h
11. Talk time: 8-15 hours, play time: 6-10 hours
12. Music Playing Time: up to 10 hours
13. Sensitivity: 80dB
14. Impedance: 32 ohms
15. peaker Power: 2 x 18mW
16. Color: Black White Blue Orange
Package:
1 * bluetooth headset.
1* USB cable.
1* manual.