4 efficient brushing modes: There are 4 modes (Clean, White, Gum Care, Sensitive), you can choose different modes according to your preference and dentist's suggestion. Break the limitations, one key multiple cleaning strength, comfortable brushing, control at will 60 days battery life and IPX7 waterproof: every 4 hours full charge lasts 60 days of normal use (2 times a day), you can easily rinse or use in the shower with IPX7 waterproof. Package: With 2 smart electric toothbrush heads and a charging cable for family, friends and couples, it also makes a perfect Valentine's Day gift. Timer and magnetic levitation technology built-in: 2 minutes timer to ensure scientific brushing time, 30s smart timer with a slight vibration reminder to switch to the next mouth every 30s, and advanced magnetic levitation technology that generates 35,000 vibrations per minute for deep teeth cleaning!