Arm & Hammer Spinbrush Pro Whitening brush is a battery powered toothbrush with an innovative whitening bristle system. With regular brushing, it's designed to clean your teeth and give you a whiter smile. Whiter teeth in 14 days. Dual action brush head for double the cleaning motion. Whitening bristle combination. Thin head designed to clean difficult to reach teeth. Important information: Due to normal wear, it is recommended that the toothbrush head be replaced after three months of use. Brush head is replaceable. Made in China.