Pevor Electric Tooth Stain Removal?High Frequency Vibration Toothbrush Portable Dental Calculus Remover Tartar Scraper Tartar Plaque Remover for Teeth Cleaning with 3 Cleaning Tips (Blue)

Specification: ?Type: Tooth Stain Remover. ?Rated Power: 3.7V. ?Battery Capacity: 300Ma. ?Battery: Rechargeable lithium battery. ?Vibration Frequency: 31000/min. ?Working Modes: Cleaning mode, normal mode, soft mode. ?Color: Pink/blue....