Sonicare technology with brush action removes plaque 3x better than a manual. Bristle vibrations drive deep between teeth and along gum line. Thorough cleaning without being harsh on gums or teeth. 2 Minute SmartTimer and 30 second QuadPacer guide ensures quadrant brushing. Ergonomic design supports an amazing clean without strain. Battery lasts up to 14 days on a single charge. Easy-Start program option of gradual gentle use for first 14 uses. Power: DC 5V. Includes 1100 Series handle and C1 SimpleClean standard brush head.