SAFE BRUSHING: Soft bristle & Food Grade brush heads are selected with strict criteria to suit kids' teeth topography for thorough cleaning of gums. The anti-slip silicone handle was made by High-Quality CPE hybrid materials to ensure optimal vibrating speed and enable maximum reach to all teeth. MAKE BRUSHING FUN: 3 brushing modes and the cute dog is perfectly designed to make brushing easy and fun for children. Soft bristle & High-quality silicone Brush heads provide kids with a better brushing experience. RIGHT BRUSHING HABITS: These kids' toothbrushes are equipped with a 2-minute automatic timer and 30-second pulse reminders that instruct kids to brush the next quadrant of the mouth and help develop dentist-recommended brushing habits. 3 BRUSHING MODES DESIGNED SPECIFICALLY FOR KIDS: Built-in 3 modes with memory function(Clean, White, Massage), which are designed according to kids' oral and dental characteristics, GENTLY clean kids' gums and teeth. LONG RECHARGEABLE BATTERY LIFE: This rechargeable sonic toothbrush is a high-level safe product as it works with a durable Li-battery and battery life last for 30 days after being fully charged. It is waterproof and can be used in the bathtub or shower. BPA-FREE. (Designed in the U.S.) 2-Year Warranty & Contact Support: Login your amazon account > choose "Your orders" > find the order ID > click "Contact seller" We offer a two-year warranty and eagerly await the opportunity to assist you whenever you need help. This not only helps you receive better service but also enables us to gain a deeper understanding of our customers' needs and expectations. Getting healthy teeth and gum is easy, all you need is a good toothbrush, Dada Technology Children's Electric Toothbrush, get rid of the boring routine and make brushing the ultimate enjoyment. Cute dog shapes give kids the fun of brushing their teeth. 2-minute automatic timer and 30-second pulse reminder make brushing no longer just boring back and forth but regular directional brushing. A 30-second pulse alerts the child to the next area of the mouth to brush. The sonic electric toothbrush also has three modes: cleaning, whitening, and massage. Different modes correspond to teeth with varying degrees of sensitivity. When you press the button, the base light is green, you are using the cleaning mode, press the button again, and the light turns blue, it is the whitening mode, and when the blue light flashes, it is massage mode. C-shaped brush head better fits teeth. 80% rounding rate of top bristles and 0.127mm soft bristle provides better cleaning effects as well as stronger protection for the child's gum. 35,000 vibrations per minute with constant speed, no influence by battery voltage fluctuation.BPA free and food grade silicone toothbrush body ensures that children can bite safely. Available in pink, blue and yellow colors. Warm reminder, this product is rechargable with USB charging cable and does not provide charging head. Package includes 1 Silicone Electric Toothbrush, 4 Replacement Heads, 4 Protective Bristle Cover, 1 USB Charging Cable Without Charger, 1 Instruction Manual. Best choice for your kids.