WIWU WI-TB001 SONIC ELECTRIC TOOTHBRUSH's patented cushion technology provides thorough and precise tooth cleaning. In addition to being comfortable and non-damaging to your teeth, this toothbrush automatically slows down to prevent damage. It is water-resistant with an anti-splash mode and has an incredibly long endurance of up to 200 days after a single charge. It also comes with a one-year warranty. Concerning this item One-year guarantee Deep and precise teeth cleaning comfortable and doesn't cause dental pain Cushion technology that is patented Automatic braking to preserve teeth Extremely long endurance 200 days of one charge Mode that prevents splashing Waterproof IPX 7