Aminy Series 2015 New Version Bluetooth Headset,Universal UFO Wireless Bluetooth 4.0 Stereo Headphones Unique Design Ultra Light in Ear Sport Earphone Hands Free Earpiece with A2dp, Voice Control, Clear Voice Capture Technology Echo Cancellation HD Mic and Long Talking/standby Time for Apple iPhone, iPad, Samsung ,LG, Nokia , HTC, Blackberry, Sony ,Tablet and Other Bluetooth Device(black) Voice control - Simple speak out 'YES' or 'NO' to answer/refuse incoming calls. And there is voice broadcasting of incoming call number. Plus full set of music control command. Usage NOTE:Pair mode - please press bluetooth earphone answer key for 3-5 seconds, until the red and blue lights flashing.(Note: When the blue lights flashing ,This time Don't let go your hand, keep press the key for 1-2 seconds, you can see the red and blue lights flashing Alternating , now the earphone is pairing status), then open you device bluetooth, search and connect it. NOTE:-- When you connect and using the earphone, this time have a call, if you answer the call through the phone, Bluetooth headset system will think you want to use mobile phone to answer, it will automatically be dormant/not work temporary . If you press the bluetooth headset answer key to answer the call, you can speaking and hear through the earphone. Replaceable battery : When the first battery runs out, you can remove itthen put on the second battery to continue to use. Double battery - talking/Music time can be up to 10 hours. UFO Bluetooth 4.0 + EDR technology - Adopt CSR 8 smart chip ,Top SPS audio processing technology, Stereo Sound ,Independent CPU operation, Echo/Noise Cancellation,voice control, and patent DSP noise Reduction Technologies.