Sunsbell Bluetooth Headset HV-800 Lightweight Stereo Neckband Earbuds (Black)

Specifications:
Charging voltage: DC5V 150mAh
Working current: 25-35mA Bluetooth A2DP
Working range: 10m
Output power: 35mW
Frequency range: 2.401-2.480GHz
Distortion factor: ‰¤1%
Frequency response: 20Hz-20KHz
Working Time: Music/ Talking state 10 hours
SNR: S/N‰¥95
Charging Time: 1-2 hours
Talk time: 7-15 hours
Music Time: up to 10 hours
Frequency Response: 20 ~ 20000Hz
Sensitivity: 80dB
Impedance: 32 ohms
Shipping Weight: 54g
Dimensions: 167.3mm(L) x 135.6mm(W)x 16.9mm(T)
Package Contents:
1* Bluetooth 4.0 HV-800 Stereo Headset
1* USB charging cable
1* Instruction manual