Detailed Product Description wireless bluetooth headset,mobile phone bluetooth headset, bluetooth earphone,bluetooth dongle,bluettoth headphone,mobile phone accessories,Description:1) Bluetooth headset is a wireless headset based on Bluetooth technology. 2) It ... ) Bluetooth V1.2 compliant 2) Frequency: 2.4GHz~2.4835GHz ISM band 3) Transmitter power: 1mW 4) Output power: 0 dBm (class ...