Product descriptonPOWERFUL DENTIST LIKE CLEANING - with 36,800 micro-brushes per minute. Enjoy clean and healthy teeth in 7 days and improve gum and oral health in 14 days. Get a thorough cleaning with reduced noise, an overall upgrade over other regular electric toothbrushes. ONE 90 Mins CHARGE LAST 30 DAYS - compatible with any power source with an auto shut off after a full charge and a low battery reminding. The 2 minutes smart timer with interval pausing every 30 seconds encourages a dentist-recommended clean. 5 HIGH-PERFORMANCE BRUSHING MODES to suit different conditions of teeth and gums. 55 gram extra-light weight designed, le than half of regular electric toothbrush. Light in hand but thorough cleaning with reduced noise, upgraded brushing experience than a regular electric toothbrush. 4 brush heads included. THE LONG BATTERY LIFE is supported by USB charging. This electric toothbrush is convenient to use at home or travel - bring it on any trip with the easy to use adapter and USB cable. The bristles are made with dupont nylon, to suit teeth topography for thorough cleaning of gums and hard to reach areas. There is a rounded bristle top for safety and gentlene. Branding: AusonType: DY-01Battery: 14500 lithium batteryVolume: 500mAhRated Voltage:DC3.7VRated power:1WWater Proof: IPX7Charge method:USB DirlyCharge input: DC5V-1ANetweight: 58gProduct inch:22*2.3cm