Ultra Long-Lasting Battery - No more replacing batteries. The SNOW Teeth Whitening Electric Toothbrush has a built-in battery that lasts days, plus it includes a charging dock so you never run low. Just brush, set it on the dock, and it’s always ready when you are. 4 Unique Modes - Including clean, whiten, polish, and sensitive. Simply choose your mode and keep your smile cleaner, brighter, and healthier than ever before. Builds Healthier Brushing Habits - The SNOW Teeth Whitening Electric Toothbrush has a built-in 2-minute timer, and it even tells you (with a little buzz) exactly when to switch sides. Whitens Better - One of the first toothbrushes with built-in LED whitening technology (the same whitening technology found in our best-selling teeth whitening kit). Get a brighter smile while you brush!. Cleans Deeper - Designed with the same dentist-approved technology found in the internet’s most expensive toothbrushes. Sonic technology cleans deeper and removes more plaque than normal toothbrushes so you can have the cleanest, brightest, and healthiest smile possible.