Each button has a recognizable function to simplify your operation.
Plaque Remover Electric Sonic Dental Scaler Tooth Cleaner Tartar Remover Tool Featuresï¼ High vibrations: with up to 12 000 vibrations per minute calculus removal effortlessly and quickly removes dental calculus/tartar/plaque/teeth stains from even the hardest to reach areas to mantian your teeth and gums healthy.2 inches (W) x 7.