ultrasonic electric toothbrush 360° sonic toothbrush for adults rechargeable portable automatic led light infrared protecting for gums ipx7 waterproof hands free (whit) bfe <b>unique u-shaped brush head, high-frequency sound wave vibration, can quickly and fully clean the surface and inside of the teeth at the same time.</b> <br><br><b>how to use:</b> <br>-after full charge, install u-shaped brush head. <br>-shake the liquid toothpaste, then press out the foam to the u-shaped brush head. <br>-put the brush head into your mouth, relax your bite on the u-shaped brush head, and select the right frequency mode. <br>-easily brush your teeth, and move your brush back and forth, left to right with your hands at the same time, brushes your teeth for a deeper clean. <br>-after brushing your teeth, use wet cloth to clean up the water and stagnation of the fuselage. <br><br><b>specification:</b> <br> <br>material: food grade silicone; abs <br>color: white <br>product size: 115*50*30mm / 4.5*2*1.2in <br>package weight: 110g / 3.88oz <br>rated voltage: dc3.7v <br>battery capacity : 500ma <br>input voltage: dc5v <br>vibration power: 6.3w <br><b>notes:</b> <br>1. u-shaped silicone brush head is 3rd generation long size silicon material , it can wrap the teeth 360 ° for comprehensive cleaning of teeth. it is better to use foam-toothpaste which can bring you better experience. <br>2. the toothbrush head can be removed and replaced. after a period of use, the toothbrush head can be replaced and disinfected with boiling water. <br>3.make brush head dry after brushing. keep it in a dry and ventilated place to avoid direct sunlight. continuous working time should be less than 5 mins. <br>4.this u shape toothbrush is used for micro-cleaning and whitening. the toothbrush is used for micro cleaning and whitening, not for replacing your daily brushing,but it can be compliment for a deeper clean .<br> <br><b>what come in the box?</b> <br> <br>1x electric toothbrush <br>1x silicone brush head<br> 1x micro usb cable <br>1x instruction manual