?IPX7 WATERPROOF & 2 YEARS WARRANTY?-IPX7 waterproof tooth brush, the entire toothbrush can be safely rinsed with water and you can safely use toothbrush in the bath or shower. We promise: 2 YEARS WARRANTY, if you have any problems, please contact us. Buy it with Confidence. Your Home Oral Care Guard. ?2 MINUTE SMART TIMER WITH 30 SECOND REMINDER?- The built-in 2-minute smart timer control encourages you to reach the time recommended by your dentist, pausing every 30 seconds to remind you to change the brushing area. ?USB FAST CHARGING FOR LONG DAY USE?- A 1-hour full charge can last more than 2 weeks of normal use, large battery life is ultra-long, USB fast charging is compatible with global voltage. ?ONE SHOPPING FOR 12 MONTHS USE?- Equipped with 4 replacement brush heads with soft bristles that protect sensitive teeth and provide intense cleaning without damaging gums. ?3 MODES FOR ALL ORAL CARE NEEDS? - Cleaning(White Light)- daily teeth cleaning; Whitening(Green Light)-deep whitening teeth; Sensitive(Blue Light)- gentle vibration for sensitive teeth, to suit the different conditions of the teeth or gums. ?POWERFUL SONIC CLEANING EFFECTIVELY REMOVES PLAQUE?- This Sejoy sonic electric toothbrush effectively removes 99% of plaque and improves gum and oral health in 30 days. Suitable for braces, fillings, crowns and veneers.