Sonic Electric Toothbrush with 8 DuPont Brush Heads & Travel Case, Dentist Recommended Sonic Toothbrush Built-in 3 Cleaning Modes & 2 Mins Smart Timer, USB Fast Charging, Black B07QR9MC5N

 It can completely improve oral health in 14 days.2 minute smart timer:-The dentist recommends that people should brush their teeth for two minutes at a time and change a brushing area every thirty seconds.Charging 4 hours for minimum 30 days use:-Be based on brush your teeth twice daily for two minutes each time. Charging for four hours and use it for a minimum of thirty days. This toothbrush is perfect for traveling and business trips.