Maintenance method: If the toothbrush hasn't been used for long time, it will take 6 to 10 minutes for the indicator light to illuminate, which is normal case. Make sure to charge the battery at least once a month to ensure a longer service life. Tips: Since the product has been placed in the warehouse for a long time. please allow the electric toothbrush to charge for more than 6 hours before the first time use electric toothbrush. If you find that the electric toothbrush cannot be charged for the first time, or the toothbrush does not work after being fully charged, please contact customer service to replace the product for free or ask for a refund in time. ?Customer Service? - 1 year warranty, if you have any problems, please contact us, we will give you a satisfactory customer service. Stick to using it and will keep your oral problems far away. ?4 Replacement Brush Heads&Ultrasonic Technology?- The bristles of electric teethbrush are made with DUPONT nylon, and comes with 4 replacement brush heads to avoid order new replacement brush heads frequently. Ultrasonic design is good for thorough cleaning of gums and hard to reach areas, also its high efficiency&more care for easy-bleeding teeth. Notice: Each brush head lasts 3 months so 4 will last for about 1year. ?IPX7 Waterproof, USB Charging Dock&Long Running Time ?- IPX7 waterproof to be used at bath. No worry about the water would enter the charge ports to short the battery life. USB charging dock for charging, you can charge in anywhere, more convenient. One 6 hours full charge last 30 days of normal usage (2 times per day), the largest battery capacity on the market with low battery reminding and automatically cuts off power after full charge. ?Smart Vibrating Reminder Timer and What's in the Box?- Built in smart timer control, 2min in one circle, 30s in an interval, which is highly recommended as a choose correct teethbrush way. 1 Smart Toothbrush Handle, 1 charging dock, 4 Brush Heads, 1 Travel Case, 1 User Manual. ?5 High-Performance Brushing Modes&Sequence?- Clean>White> Sensitive>Massage>gums>stop to suit different conditions of teeth of gums, so you can choose different modes according to your preferences and dentist's recommendations.

Best Sellers Rank: See Top 100 in Health & Household. Item Firmness Description: Hard. Power Source: Corded Electric. Special Feature: Brushing Timer. Age Range (Description): Adult. Brand: Mamibot. Country of Origin: China. : B0B3M7G2T2. Manufacturer: Mamibot. Date First Available: June 9, 2022. Batteries: 1 Lithium Ion batteries required. (included). Item model number: Electric Toothbrush. Product Dimensions: 9.69 x 1.09 x 1.09 inches; 2.09 Pounds.