Iwoo Sports Wireless Bluetooth Headset Headphone Earphone for Cell Phone Iphone Laptop Pc(green)

Specification:
Bluetooth Version: 1.2/V2.1,
wireless transmitter standard of class II
Frequency Coverage: 2.402~2.480GHz ISM band
Packing include:1x Bluetooth Headset Sensitivity: -80dbm
Transmit Range: up to 10m
Transmit Speed: 57~723Kbps
Stereo Compression Ratio: 44.1/48kHz
Channel: 79 channels of 1MHz, B/W
Contact Terms: Point-to-Point
Battery: Li-ion
Charge Power : PC USB, 5V
Charging Time: 1-2 hours
Charge Power : PC USB, 5V
Color: Blue
Package include :1x bluetooth 2.1 version headset