Supported Functions:<br />1 Last time reconnecting function: start the phone when blue light flashes， it will automatically connect the last time device once been connected.<br />2 Answer/hang up the phone: press the handset or headset answer/end button to complete<br />3 Call phone: enter number on the phone to dial， calls automatically go to the headset<br />4 Last number redial: in headset standby mode， press the answer/end key twice to automatically call the last calling number<br />Name: bluetooth headset <br />Model: HZY21<br />Colour: white<br />Size: 48 mm x 18 mm x 11 mm<br />Technical Parameters:<br />Bluetooth version: V2.1 + EDR Class II <br />Bluetooth chip: CSR6130 <br />bluetooth protocol: HFP， HSP<br />Transmission distance: 10 m<br />Talk time: 2 hours<br />Charging voltage: DC 5V (connect to a computer USB port for charging)<br />Charging time: 2 hours <br />Charging interface: Micro USB<br />NOTE: The product can only be used to make phone calls. It can not used to listen to music.<br />Operating Instructions:<br />1. Bluetooth connection: press ON/OFF key for about 2 - 3 seconds until the blue light is on to start bluetooth， then continue to press until the red and blue light flashes alternately， and at this time， pairing mode is started. Search and connect bluetooth device， and the blue light flashes slowly after successful connecting. Press ON/OFF key for 2-3 seconds until the red light does not flash to close bluetooth.<br />2. Charging: make sure that the bluetooth headset is fully charged at the first time before using. When charging， the red light turns on， blue lights turns on when fully charged (when fully charged， the lights of some models turns off automatically)<br />1 x Bluetooth headset <br />1 x Micro USB cable<br />1 x Ear hook <br />1 x English user manual<br />In original package<br /><img src="http://img6.eachbuyer.com/x13/p64/bp133_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p64/bp133_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p64/bp133_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p64/bp133_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p64/bp133_5.jpg" />