describeU-shaped cute design kids will love] Our U-shaped automatic toothbrush is dedicated to solving the troubles of children not wanting to brush their teeth. The silicone brush head design allows children to develop a correct brushing method without manual adjustment, making brushing a habit and allowing children to enjoy the fun of brushing. [Material Safety] U-shaped soft silicone brush head, medical food-grade liquid silicone material is environmentally friendly and hygienic, transparent and tasteless, tough and durable, and the food-grade bristles do not hurt the gums. For the professional and scientific design of children's electric toothbrushes, we have passed tens of thousands of simulated tooth cleaning tests. Instructions for use Boot: Press the power button once to open the default memory file of the last shutdown; it will automatically shut down after 60 seconds by default; after 5 minutes, the blue light will automatically shut down. Shutdown: Press and hold the power button for 3 seconds to force the toothbrush to shut down. Function adjustment: press the power button again when the machine is turned on, the toothbrush intensity is increased by one level; the brushing intensity can be adjusted from one level to three levels. The first gear is the lowest gear, and the third gear is the strongest gear. Blu-ray. Charging: Open the waterproof cover of the charging port and insert the special DC3.5mm charging plug; the family kit can be directly inserted into the USB cable for charging; connected to the charging power supply, it can be equipped with various mobile phone chargers or computers with USB interfaces;Package List 1 PackCategory: ToothbrushSuitable for 2-6 years old