Choose the right nozzle.

Connect the nozzle to the hole on the side of the pump.

Double-click the on/off button to start inflation.

Choose the right nozzle.

Connect the nozzle to the hole at the bottom of the pump (Tip: For deflating air mattresses with a small diameter, you can choose this nozzle)

Double-click the on/off button to start sucking out the air.