Push the On/Off button to activate sonic vibrations.

To Replace Battery: Undo the screw at the bottom of the handle to remove the battery cover. Remove used battery and discard. Insert new battery. 1-AA Battery included.

Choking Hazard: Keep out of reach of small children/infants.

Battery can explode or leak if heated, disassembled, shorted, recharged, exposed to fire or high temperature or inserted incorrectly. Do not carry batteries loose in your pocket or purse. Keep batteries away from children. If swallowed, consult a physician at once.