Locate the power button on the back of the right ear cup. Gently slide the spring loaded power button up and release. Once turned on, it will display a solid white light. If this is your first time powering on the device it should automatically go into pairing mode, and will display a fast blinking blue light. Make sure the device you are attempting to connect to is in search mode. The headphones should pop up on your list of discoverable devices within 3-5 seconds, and connect. If you are attempting to pair to a different device, make sure the E65BTNC headphones are turned on, and press and hold the Bluetooth button located at the bottom of the right ear cup. The headphone should display on your new device within 3-5 seconds on your list of discoverable devices.