How to inflate and deflate:
How to inflate
Insert the needle of the pump into the air outlet on the surface of the protrusion and inflate it.
Needle may break if injected forcefully.
Please be careful not to damage the main unit with a needle.
How to deflate:
Simply insert the needle of the pump into the inlet and squeeze the air with your hand.
The needle is sharp, so please be careful of injury.
Please insert the needle tightly.