Features: – 3 brushing schemes There are 3 brushing schemes for you to choose, meeting your different needs. – 32-level strength adjustable design: Supports 32-level strength fine adjustment, pursuing comfort while brushing your teeth. – AI auto frequency-reduction design: When excessive wrong force may damage teeth enamels and gums, it will reduce the motor vibration to protect the user’s teeth enamels and gums. – Sensitive color screen: Quickly set up by touching the screen, and you could also directly see the blind zone of brushing on the screen, no dead spots. – Wireless charging technology: With wireless charging technology, just put it on the charging base to charge and pick it up to use. – Long working time: Built-in 800mAh Li-ion battery, it could give you up to 30-day long endurance. – Safe to use: Made of high-quality plastic material, also with waterproof protection, our sonic electric toothbrush is safe to use.