To power on the headphones, place one of the headphones inside your ear and press and hold the center button on the inline mic. You should hear the audio chime and a blue blinking light should appear at the top of the inline mic. If this is your first time connecting to a device, it should immediately go into pairing mode. The device should recognize the T110BT headphone. Once you select that option, you will hear the confirmation tone. If you are trying to connect to a different device, turn the headphones on and press and hold for 3-5 seconds for the headphones to start searching for a different device. The headphones should appear on your discoverable devices within a few seconds. You should hear the audible tone and then the confirmation chime once it is connected. You will see the Bluetooth light alternate between red and blue when it is in pairing mode and then to a slow blinking LED blue light once it is connected to your device.