Sonic Electric Toothbrush - 4 colors optional Main Features: 8 Dupont replaceable brush heads for 2 years to use 2 Hours fast charge, lasts up 30 Days 5 Optional Modes to meet all your daily cleaning needs 2 Minutes Smart Timer to encourage a healthy brushing habit Hidden Charging Cable & Ergonomic Hand Grip The electric toothbrush is equipped with a hidden USB charging cable at the bottom of the toothbrush body, convenient to charge for all kind of charge block and avoid lost. Fast charge Up to 45 days use (2 min/2x a day) on a full and fast charge of 2-hour. 8 x Replaceable Brush Heads for 2 Years to Use Bristles: DuPont nylon Wear-resistant and Non-absorbent Vibration Intensity: 31000 stroke/min