Blue Wireless Bluetooth Version 4.0+EDR HV-800 Neckband Sport Stereo Universal Headset Headphone for Smartphone

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/ HuaTong state 10 hours
SNR: S/N≥95
Charging Time: 1-2 hours
Talk time: 7-12 hours
Music Time: up to 6 hours
Frequency Response: 20 ~ 20000Hz
Sensitivity: 80dB
Impedance: 32 ohms
peaker Power: 2 x 18mW
Weight: 118g

Package Contents:
Bluetooth Version 4.0+EDR HV-800 stereo headset
USB charging cable
Instruction manual