With the Ear Piece turned off, press and hold the centre button until the LED indicator starts blinking red/green. On your phone/music device, turn Bluetooth on and have it search for nearby devices. Keep your Ear Piece no more than 1m (3 ft.) away from the device. Select Happy Plugs Ear Piece in the device list. If the pairing is not successful, turn off the Ear Piece and repeat the steps above.