This Electronic Tooth Brush has a Smart shake feature that reminds you that you changed the brushing area and automatically turns off as long as 2 minutes (a suggested brushing period). Best in a class ultrasonic waterproof toothbrush. Perfect gift for friends and family.
Round brush head + arc brush surface avoid damage, deep cleaning includes dead corners. The Brush Head is designed with soft rubber, to avoid damaging your mouth when you brush your teeth.