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

Bluetooth Version: 1.2/V2.1, wireless transmitter standard of class II Frequency Coverage: 2.402~2.480GHz ISM band 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: Red