On mobile: \"Turn on\" the bluetooth function and \"search\" the Bluetooth device. At the same time, press and hold the on\/off key of the Bluetooth headset (beside the handset) until the headset indicator flashes from red to red, and then let go, waiting for pairing. If \"Bluetooth\" appears on the mobile phone, it indicates that the Bluetooth headset is searched, and \"add\" Bluetooth device on the mobile phone. Enter the identification code \"1234\". After adding, the headset indicator turns green and blinks once in a long time. It indicates that the code is successfully paired