About this item "TRUE" Sonic Electric Toothbrush: Strong motor power achieves "TRUE" sonic cleaning technology! Low-noise motor provides you with 24,200 micro-brushes per min, achieving your confident smile. 5 Brushing Modes: Rich oral cleaning mode to meet different tooth conditions! Clean, sensitive, whitening, massage and polish - CLEAN mode can remove 10X more stains along the gum. SENSITIVE mode is designed for the fresh user of electric toothbrush. MASSAGE mode improve gum health by delivering soothing micro-bursts into tissue to improve circulation and overall health. POLISH mode helps brignten teeth by using inverted frequencies to remove surface stains. Smart Timer: 2 minutes brushing timer, 30S interval pause reminder! The automatic timer function helps ensure the cleaning habits recommended by the dentist. There is an interval vibration reminder after every 30 seconds to let you know that it is time to move to clean the next area of mouth. Powerful battery life: 4 hours of battery life for 20 days! USB charging, compatible with mobile power, laptops, mobile phone adapters (110-240V are applicable), car chargers, etc., it is definitely a good daily oral care electric toothbrush for household or business trip. Replacement brush head: 4 curved DuPont brushheads perfectly fit the contours of your teeth and gums, bring SPA-like enjoyment to your mouth! Waterproof for bathroom and shower, IPX7 washable handle.