Colgate Extra Clean Medium Toothbrush is designed with circular power bristles to help remove tooth stains and effectively clean back teeth and between teeth. It also has an easy-to-grip handle to provide comfort and control while brushing. The tongue cleaner on the back of the manual toothbrush helps remove bad breath causing bacteria. Remember to change your toothbrush every 3 months. CordlessThis item is cordless for ease of use and convenience.