The brush head makes the toothpaste foam penetrate deep into the gap between the teeth through high-frequency vibration to deeply clean the mouth Soft and slender bristles fit the curve of the mouth and protect the gums safely and without damage Lightweight and portable, it is not tired to hold, making brushing easy and comfortable Five vibration modes clean, sensitive, massage to solve various oral problems Clean cleaning mode, remove tartar, suitable for daily use by ordinary people Polish polishing mode, grinding the tooth surface, making the teeth clean and bright White whitening mode, improve all kinds of stubborn stains, make teeth healthy and white Gum care care mode, gum massage, enjoy oral SPA Sensitive gentle care, relieve bleeding teeth Whole body waterproof design, the body can withstand water washingTwo-minute timing, 30-second pause prompts to change the brushing area How to install the brush head: Insert the brush head on the right side of the bump on the back of the toothbrush, then turn it slightly to the left so that the buckle snaps into place. [Do not insert directly at the snap position] How to remove the brush head: first rotate the brush head until the buckle is released, then pull out The red light flashes when the battery is low, and the red light is on when charging Press and hold for three seconds to power on, short press to switch modes, long press for three seconds to power off