Description : e-TBrush 920 Electric Toothbrush uses advanced sonic technology, vibrating at a frequency of 31000-38000 strokes per minute, that pulses water between teeth, and its brush strokes break up plaque at more than 3X the efficiency of a Manual toothbrush. The W-contoured DuPont Nylon bristles fit the shape of your teeth, making it easy to clean hard-to-reach areas. Product Information : 2-Min Smart Timer Built in 2 minutes tooth brushing timer encourages you to achieve the dentist-recommended time, and with interval pause every 30 seconds, always let you know when to replace brushing area to encourage a healthy brushing habit. 15 Cleaning Modes White: Effectively removes surface stains to whiten teeth Clean: Exceptional everyday cleaning, Polish: Brightens Polishes your teeth, Sensitive: Gently cleans teeth gums, Massage: Lightly massages your gums. Interdental brushing The Cosmos Plus includes an Interdental Brush Head that is ideal for removing plague food items stick between the teeth. W-type brush head W-type brush head gently and effectively removes surface stains. The densely arranged central descaling bristles will give your teeth a 2X brightening effect in just two weeks. Be travel ready USB charging cable- Safe, fast and lasting. A full 4 hours charging can provide up to 25 days ( 2 minutes / 2X a day). Can be charged via PC port, phone adapter or even power bank. Lock Unlock Simply turn clockwise or counter-clockwise to lock or unlock the electric toothbrushes heads for easy replacements. Unbeatable sonic technology Powerful Sonic Vibrations at 31,000-38,000 strokes per minute whip up your toothpaste into plaque fighting bubbles drive them deep between your teeth along your gum line. Features And Specifications 1) Shake frequency: 31000-38000strokes/min 2) Charging period: 25 days 3) Waterproof: IPX8 4) Working mode: 15 modes 5) Has PRESSURE SENSOR 6) 2 minute timer with 30 seconds interval time 7) 1 Low power reminder function 8) Full charge reminder function Under Package : Sonic Electric Toothbrush x1 Replacement Head x 2 Charge Base x 1 Travel Box x 1 User Manual x 1