Features: When the toothbrush is charging, lights will be on and the built-in fan will run, the toothbrush is being dried and cleaned up at the same time, by doing this, it's easy to keep toothbrush cleaning, guarantees the quality of kids' teeth brushing each time. Comes with a plastic protective cover, which can be also used as a toothbrush cup, great for keeping away your brush from dust, perfect for daily use and travel use. U shape brush head with soft bristles, made of food grade silicone material, safe and comfortable for toddlers and kids to use, protecting their gums from bleeding. Smart memory function, long press for 3 seconds, the modes will change and it will be the same when you use the toothbrush for teeth cleaning next time. Developed with 3 various modes(daily cleaning, teeth whitening and massage) for selection, low noise, can satisfy needs for different conditions of teeth and gums. Magnetic USB charging, once it is fully charged (about 2 hours), it can be used for about 20 days, energy-saving, eco-friendly and cost-effective. Lovely shape, very attractive, kids will love it, which might increase the possibility of loving brushing their teeth carefully, helping them to develop a good habit. This electric teeth whitening brush is IPX7 waterproof and one-button-operation, safe, durable and sterile, can be used at ease. Proper size and ergonomic shape, fits the shape of toddlers' or kids' mouth well, helps for teeth cleaning in all directions. 45 Seconds timing design, kids can finish their teeth brushing in 45 seconds, simple and convenient. How to Use: 1. Please rinse up the brush head before use. 2. Apply appropriate amount of toothpaste on the silicone brush head. 3. Put the toothbrush into your mouth and press the button, choose the mode you want and brush your teeth for 45 seconds. Note: 1. Please kindly note that red lights will flash when you put it back to the charging base for charging. The fan will stop working after 30 minutes. If the toothbrush is not being fully charged, it will continue charging. But if it's fully charged, lights will be off. 2. For each mode, it will automatically work for you for 45 seconds, then it will stop working. If you need extra working time, you need to restart it. 3. The main unit of this toothbrush suitable for brush heads of all sizes, if you are teenagers or adults and you love it, you can replace a bigger brush head for yourself. 4. All kinds of toothpaste are suited to this electric toothbrush, but it would be much better to use it with mousse toothpaste, as it would be easier to be dissolved, giving you the best result. 5. Please kindly note that long pressing the button for about 3 seconds is to turn on / off the brush, while short pressing the button for 1 second is to change the mode. 6. There is an inbuilt fan, which its wind is mild in order to avoid loud noise. 7. The toothbrush is completely waterproof and washable, but the charging base is only IPX6 waterproof