Powerful Electric Toothbrush Rechargeable Vibration 28000 31000/min Ultrasonic Washable Electronic Whitening Waterproof Teeth|Electric Toothbrushes Feature: - Multi-level mode to meet different needs. - Sound Wave toothbrush cleans dental plaque better. - 6 vibration modes,safety and mildness to help reduce tooth decay. - Whole body Waterproof, Wet proof and dust-proof design, base IPX7 waterproofing, can be put into water for a short time, performance is not affected. - Timing reminder, electric toothbrush has 2min timing reminder function. - Intelligent reminder. One-button control, intelligent reminder of brushing time. - Whitening teeth. High frequency swing brush sound wave vibration, reduce dental calculus shape, fresh breath.