Replaceable brush head. Whitens teeth in 1 week (by removing surface stains). 2 minute timer. 5x plaque removal (5x more plaque removal along the gumline vs. an ordinary manual toothbrush). Tough on plaque gentle on gums. Designed with you in mind: Slim, lightweight handle designed for easy control. Brush with sonic vibrations of 20,000 strokes/min. Replaceable brush head. This toothbrush is compatible with any Colgate 360 degrees advanced replacement brush head. Satisfaction guaranteed or your money back U.S. 1-800-468-6502 https://wwwcolgatepalmolive.com/en-us/contact-us. www.colgate.com. Save water turn off the tap while brushing. Made in China.