Slim Sonic Toothbrush in Silver is a portable, battery powered device that boasts up to 22,000 brush strokes per minute to ensure that teeth are thoroughly cleaned. The conveniently sized toothbrush is perfect for your hand bag, gym bag and travel, and has a ventilated cap to keep the brush head dry and germ free. The stylish electric toothbrush has an on and off button and comes with a replacement head and AAA battery to make it longer before you have to buy a replacement head or replace the batteries. -SA Directions for use: Push power firmly until vibrations begin To turn off press power button again until vibrations stop After use, rinse the brush and head thoroughly with water Shake excess water from bristles and dry the brush head before replacing the cap