Product detail presentation: U-shaped brush head combined with high-frequency sound waves can be used to clean teeth,gums,tongue coating,and gingival surfaces in about 30 seconds. High-frequency vibration can also massage the oral muscles. The toothbrush is made of food-grade silicone as a whole, and has good waterproof performance. Can be washed and reused. Intelligent wireless charging base, regardless of the left and right contacts, put the toothbrush on the base and start charging. The blue light flashes during charging, and the blue light stays on after charging is complete. Operation mode selection: The use of the toothbrush is very simple, just press and hold the button for 3 seconds, the blue light will automatically turn on, and the sonic motor will immediately start working. You can switch the mode by pressing the button (it has 4 level). Press and hold the button for 3 seconds in any mode to turn it off, and the toothbrush will intelligently remember your last selection mode. When you open it again, it will go directly to this mode for quick and easy access. Use Steps: 1) And the parallel hole on the fuselage braces will power shaft and installed in place 2) This product can use the toothpaste mousse into braces can use ordinary toothpast 3) Wet the mouth tray and then put into mouth,upper and lower teeth gently with alveolar,toothbrush is oscillated 63 times per minute by your hand,a comfortable and fast teeth cleaning will be finished within 30 seconds 4) Clean the braces and the body,braces withe water rinse,use dry cloth to wipe the fuselage