Vsmile – Your Very First Sonic Electric Toothbrush! ENJOY DEEP CLEANING LIKE A DENTISIT AT HOME — Sonic vibration up to 31,000 strokes/min, removes more stains and plaque, effectively preventing tooth problems. “W”-shaped brush head thoroughly cleans plaque along gum line and hard-to-reach areas. The top of the dupont bristles is particularly oval in shape, which significantly avoids gum damage caused by brushing. 65-80 DAYS LONG LASTING POWER, NO NEED TO CHARGE FREQUENTLY ANY MORE — Powered by rechargeable 2200mAh Li-ion battery, this toothbrush can last for at 65-80 days on one charge of only 8-12 hours. Comes with a usb charging cable and inductive charger base. Most devices with usb port is compatible. Very convenient to use on your business trip and perfect for travel. SMART TIMER TO IMPROVE YOUR ORAL HEALTH — Built with 2 minutes smart timer and 30s interval pause to help you develop a 2-minute brushing habit as recommended by dentist. Designed with 5 modes to meet different needs: Clean, White, Polish, Sensitive and Gum Care. IPX7 WATERPROOF & DUAL OVERCHARGE PROTECTION — Adopts the omni-directional IPX7 waterproof design, durable and safe to use at bath and shower. Advanced dual overcharge protection design can effectively protect the battery, extend the battery life and prevent leakage, short circuit, surge, overcharge, overheating and corrosion. It’ll automatically stop charging when fully charged. 4 REPLACEMENT BRUSH HEADS — Allow you to use your toothbrush for a longer period of time. Buy with confidence and enjoy ONE YEAR WARRENTY and 7*24 hours outstanding customer service!