Bose Noise Cancelling Headphones 700
- Disconnect all cables from the headphones.
- Connect one end of the USB cable to a USB-A wall charger or computer that is powered on.
- Press and hold the Power/Bluetooth button while connecting the small end of the USB cable into the USB-C port on the right earcup.
- Release the Power/Bluetooth button when the Bluetooth light blinks blue.