Get an AAA battery, then insert it, follow the instruction of the paper inside the vibrator (the instruction shows how to insert the battery properly) then cover the lid very tight. Its compulsory you close the lid very tightly if not the vibrator wouldn't work. Then switch on the vibrator by clicking the black button on the lid. To turn off, click the black button on the lid again.
This vibrator is waterproof so to clean rinse with soap and water, then leave to air dry.