USAMS LM Series Premium Bluetooth 4.2 HandsFree Headset White

Usams Premium Bluetooth Headset for mobile phones and tablets. Easy to take the call with button on it. Compact size and high quality materials.  Model: US-LM001Bluetooth: 4.2Bluetooth range: 10mBattery: 70mAhCurrent: 5V-1ACharging time: about 2.5hPlayting time: about 4hCalling time: About 4hSensitivity: -85dBmFrequency range: 50Hz-20KHzSpeaker Unit: 10mmWeight: 7.4g