... clockwise and counterclockwise 3,Rechargeable 4,Waterproof IPX7 Rechargeable Waterproof Electric Toothbrush for adults,with rotatable brush head DES30Advantage:1,Soft Dupont ... , enlarge the cleaning area,providing thorough cleaning;5, High-rate rotating, rotating speed: 8,800rpm, can clean teeth completely;7, Replaceable brush ...