Bluetooth version: V4.0
Wireless Frequency: 2.4GHz
Charging voltage: DC 5V
Operating voltage: DC 3.7V
Battery: 60ma
Music Player / Wireless Talk Time: 4H
Distortion: ≤0.1%
SNR: ≥90dB
Transmission range: 10 m
Transmission power: class2
Color: red, white and blue, green and black
Stereo Bluetooth Headset
Fashion sporty, compact design
Bluetooth wireless audio transmission
A variety of classic color choices
Handsfree function