3D DESIGN DUPONT TOOTHBRUSH HEAD: Comes with 6 brush heads engineered by world famous DuPont. 3D CUTTING DESIGN brush head removes 10X more debris along the gum line & teeth gap. Package includes: 6 replacement toothbrush heads for 18 months use (3 months/brush head). Product Description Main Features: 8 Dupont Replaceable Brush Heads for 2 Years to use 4 Hours Fast Charge, Lasts Up 30 Days 5 Personalized Modes to meet all your daily cleaning needs 2 Minutes Smart Timer to encourage a healthy brushing habit 40,000 vibrations per minute The electric toothbrushes for adults can effectively remove up to 100% plaques. Get a thorough 10X cleaning effect than manual toothbrush, 3X than ordinary electric toothbrush. 5 High-performance Modes Electric toothbrush for adults & kids supports 5 modes based on your specific needs: whitening, cleaning, sensitive, polishing, massage. Whitening mode vibrates 40,000 strokes per minute to break the stains. Fast Charge & One Month Battery Life And a full 4-hour fast charging can provide up to 30 days use (2 min/2x a day). Sonic toothbrushes can be charged via PC port, phone adapter, or even a power bank. Read more