Surround Design: Bristles and wraparound cheek & tongue cleaner to remove more bacteria (vs ordinary flat-trim toothbrush). Superior cleaning for a healthier mouth (vs ordinary flat-trim toothbrush). Toothbrush with battery included. Surround Design: Surround bristles simultaneously clean both sides of the teeth, and reach down to the gumline. On/Off Button: Cleaning power of 20,000 strokes/minute. www.colgate.com. Made in China under license of Colgate-Palmolive Company, trademark owners.