Model/MPN: HV-800/HB-800 (2 Models are random delivery!!
Circumference: 43cm (1inch=2.54cm)
Length of  headphone cable: 27cm
Length of data cable: 79cm
Newest Wireless CSR 3.0 Bluetooth headphone headset In earphone HV-800 stereo
two-channel MP3 Music Handsfree with vibration microphone for iPhone, Samsung,
and other bluetooth devices.
This product uses the new headset shape design, using the world famous Bluetooth
Stereo Bluetooth chips, to ensure high-fidelity sound quality and stable performance and
excellent call quality. This product supports Bluetooth V2.1 version, support for Bluetooth
A2DP and calling features. Battery time supports up to 8-15 hours. It can connect
bluetooth with two devices

Specifications:
1. Charging voltage: DC5V 150mAh
2. Working current: 25-35mA
3. Bluetooth A2DP Working range: 10m
4. Output power: 35mW
5. Frequency range: 2.401-2.480GHz
6. Distortion factor: ≤1%
7. Frequency response: 20Hz-20KHz
8. Working Time: Music/ HuaTong state 6-8 hours (The Volume will affect the time)
9. SNR: S/N≥95
10. Charging Time: 1h-2h
11. Talk time: 8-15 hours, play time: 6-10 hours
12. Music Playing Time: up to 10 hours
13. Frequency Response: 20 ~ 20000Hz
14. Sensitivity: 80dB
15. Impedance: 32 ohms
16. peaker Power: 2 x 18mW
 
Package Includes :
1 X Wireless Bluetooth Headset (without retail package)
1 X Micro USB Cable
1 X Manual