Best Sunvito Bluetooth Headphones

This Bluetooth headphone looks fashionable. It is in-ear and invisible, perfect for listening to music at work. With it, play games, watch movies, watch tv, listen to music and so on. Pairing: Press the power button of the headset for 5~8 seconds until you see the blue & red light blinks alternately, if you can't pair the Bluetooth, please check if your phone has connected with other Bluetooth devices. If so, then disconnect it and try again. If still can't pair, please restart your try again. Note: Language switch: If you change the language to Chinese by accident, please do as below. 1.Power the headset off, 2.Turn on the item about 2 seconds until the there is a voice prompt and the blue light flashes, 3.Press on the button again for about 1 seconds, then the language will be changed to English. Specifications: Bluetooth version: V4.0+edr transmission range: 10m Bluetooth profiles: Hands free/headset radio frequency: 2.402-2.480ghz support a2dp: Music playback (audio output: 35mw, play/pause) charging powerbase input 110-240v DC output 5v (charging time about 2 hours/charging voltage 3.7v/working current