Features :- 360° all-around cleaning.- The 0.02mm tip and soft bristles can easily penetrate into the gap between the teeth for effective cleaning without damaging the gums.- 5 high performance brushing modes. Gentle mode, cleaning mode, brightwhite mode, polishing mode, novice mode. Best for different conditions of teeth.- Dustproof and waterproof design, the whole body can be washed.- High quality brush, anti-shedding, anti-scattering, rounding process. - Specifications :ModelY15AColorPink/BlueProduct Brush Head - Detachable Snap-in Brush Head - Rated Voltage - DC 1.5VRated Power1.2WRated Input5V-0.5AVibration Frequency9100 Times/Min - Charging Time6 Hours - Working Modes - Gentle/Cleaning/Brightening/Polishing/Novice Mode - Waterproof Level - IPX7Executive Standard - GB4706.1-2005 GB4706.59-2008Package Included :1 x Manual2 x Special Brush Head1 x Sound Wave Electric Toothbrush Handle1 x Battery - Instruction :- Carefully insert the tooth brush head into the output shaft and fix it.- The toothbrush has a gear memory function, so you can choose a suitable gear according to your needs before use.- Take an appropriate amount of toothpaste on the brush head, put it in the mouth, and turn on the switch.- Make the bristles and the gum line 45° and move slowly.- Gently hold the body of the toothbrush and move it slowly in a circular motion. Do not press or scrub it too hard.- After brushing, please rinse your mouth with clean water and rinse the toothbrush head.