? Slim handle Design & IPX7 Waterproof ? - Ergonomically integrated handle design, it is comfortable to brush your teeth with raised hand and light to carry. IPX7 Waterproof, you could brush your teeth in the shower. Get a thorough deep oral cleaning with this noise reduced but powerful sonic toothbrush by upgrade motor inside. ? 2 Minutes Smart timer ? - Built in 2 minute smart timer with interval pause reminding each 30 seconds to remind you change the brushing area, encourage dentist-recommended brushing habit. 5 distinct enhanced modes, one button use. Classic black satin handle suitable for adults and kids. ? 2 Hours’ Fast Charge for Over 30 Days Use ? - The Lastest rechargeable battery system just take 2 hours can be full charged and auto shut off. The USB charging cable of this electrical toothbrush is compatible with any charger or equipment with a USB port. This electric toothbrush is a good choice for travel, business trip or home use. ? 8 W Shape Brushheads for Over 2 Years of Using ? - This electric toothbrush provides 8 soft bristles brush heads which design in "W" shape can perfectly fit the gums and teeth. The brush heads will remind you to replace your brush head through the blue indicator bristles fade in color by its Color Reminder Bristles Design. ? Ultrasonic Electric Toothbrush for Adults ? - With ultrasonic vibration up to 40,000 strokes per minute, effectively remove up to 100% more surface stains than a manual toothbrush. 5 cleaning Modes meets all your daily brushing needs. *White, Clean, Sensitive, Polish, Massage.