For those who want extra help to whiten their smile. Removes surface stains on and between teeth. It's a unique manual brush with an extra boost of vibrating power. It reaches surface stains even between teeth. Just turn it on and brush as you would with a regular manual brush! Vibrates and polishes away stains on and between teeth Vibrating bristles On and off buttons Slim handle with built-in power supply Bristles contain an antimicrobial to keep them cleaner. Does not kill bacteria in the mouth or protect against disease. Fully disposable. No need to change the battery or brush head. The non-replaceable Duracell battery is designed to last the lifetime of the brush head, approximately 3 months. Actual battery life may vary.