... 2.anti radiation handset .HD speaker handset 4.answer/end button handset 5.CE&FCC&ROHS Specifications1. Lower Radiation than Bluetooth ... and microphone function6. Control Volume of mobile phones with Side Button.7. LED light, answering/hanging up button8. Frequency response: 20Hz ... , Western Union), 30% deposit, balance before shipment.RemarkMade in China wireless bluetooth headphone,bluetooth handset