Features: brand new and high quality Brand-new U-shaped design, 360° all-round wrapping of the teeth, without changing sides, the brush for head and teeth form a 45° angle and go deep into the interdental space and vibrate horizontally, completely wrapping and cleaning without dead ends. The U-shaped food-grade silicone brush for head that fully fits the baby's mouth is adopted, making the entrance more secure. Using for smart energy-saving design, it will automatically shut down after 60 seconds of brushing to prevent the baby from damaging the teeth when brushing for too long. Five-speed mode selection, specially developed for children, to care for the baby's gums. IPX7 waterproof, the baby can also brush teeth in the bath. It can be used continuously for 20 days after charging for 2 hours. Specifications: Material: Silicone Weight: 100g Size: 11x6cm/4.33x2.36inch Age Group: Children/Toddler Color: Green/Yellow Charging Time: <90 minutes Charging Method: USB charging Host Power: 5W Battery Capacity: 400mAh Rated Voltage: 3.7V Cleaning Sound Wave: 8000-31000Hz Package Includes: 1x Kids Electric Toothbrush note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.