?Wireless Charging? Just put the electric u shaped toothbrush into the base and it can start charging,once it is fully charged (about 2 hours), it can be used for about 15 days. Charging base can air-dry the toothbrush automatically. ?IPX7 Waterproof plus Toothbrush Cup? The toddler toothbrush adopts IPX7 waterproof sealing design, the body can be washed with water, making it easier to clean. Sturdy and durable tooth brushing cup can cover on the charging base after brushing, perfect for daily and travel use. ?5 Ultrasonic Cleaning Modes? The automatic kids toothbrushes can promote the health of gums and teeth through 5 different ultrasonic cleaning modes. 45 secs smart timing for each brushing, it stops automatically. Parents don't need to urge their children to brush their teeth face to face, save their parents' troubles. ?Safe and Soft? This U shaped kids toothbrush head made of food-grade silicone, is very safe and soft. Soft brim around the teeth 360 degrees, providing a comfortable feeling of brushing. Just move the toothbrush left and right to reach hard-to-reach areas. Specially designed for children's sensitive teeth, keep their mouth and gums healthy. ?Lovely Cartoon Design? The cute cartoon design make this automatic toothbrush attractive to kids. The brushing process no longer boring and kids will feel excited to brush, helps kids develop healthy brushing habits.