If you have connected Air 1 Zen to your phone or tablet before, go ahead and delete them now from the Bluetooth Settings. Also make sure the Air 1 Zen charging case has been charged for a couple of minutes.
2. Perform Factory Reset
Place the earbuds in the charging case. With the lid of the charge case open, press and hold the button on the bottom of the charge case for ten (10) seconds until all four (4) LEDs flash five (5) times.
Air 1 Zen is now reset.
3. Pair the Earbuds
Open the charge case and keep the earbuds in place to enter pairing mode.
Air 1 Zen is now ready to be connected to your bluetooth device.