Fashionable and Portable Wireless Headphone

Style: Headphone
Communication: Wireless
Connectors: USB
Use: Mobile Phone
Function: Microphone, Noise Cancelling
Working time: More than 8 hours
Charging Time: 3.5H
Impedance :: 32Ω
Frequency response range: 20~20KHz
Sound / noise ratio: 80dB
Colours: Black ,White ,Red , Coffee
Battery Capacity: 300mAh