The safety instructions are as follows:
1. Since the toothbrush vibrates at a high frequency when you use it for the first time, it can cause itch or minor gum bleeds. This is normal when the gums are not accustomed to this efficient cleaning, and this phenomenon will stop within 1 to 2 weeks. It is recommended to use Gentle Mode when your gums are not used to it yet. If bleeding persists, please stop using and consult a dentist;
2. Avoid fully submerging the unit in water to prevent damage to the internal components. Do not immerse the charger in water or any other liquid. Do not plug the charger into an outlet when there is liquid on the plug;
3. This toothbrush contains a built-in rechargeable battery. Do not expose it to fire or store it in a high-temperature environment;
4. Do not use the toothbrush while bathing or showering;
5. Do not share the brush with others;
6. Do not wrap the power cord around the charger while it is plugged into an outlet;
7. If you have sensitive teeth or gums, use the electric toothbrush with caution around those areas to avoid discomfort or injury;
8. It is recommended that people over 8 years old use this product;
9. It can be taken onto the airplane.