specification: _x000D_Item Type: Teeth Cleaning Tools_x000D_Material: ABS + Stainless Steel _x000D_Built-in lithium battery_x000D_Battery Capacity: 800mAh_x000D_Charging Mode: USB charging mode_x000D_Sound Waves Vibration Rate: Maximum up to 36,000 times per minute_x000D__x000D_Instructions:_x000D_The best charging time for the first use is 12 hours or more, and the indicator is still on after 12 hours of charging_x000D__x000D_Using step_x000D_1. Insert the toothbrush head into the output shaft carefully. There must be some space between the toothbrush head and the main body, which is necessary for the normal vibration of the toothbrush head._x000D_2. The bristles and gums thread 45 degrees slowly moving toothbrush_x000D_3. In order to prevent the toothpaste from splashing, take a small amount of toothpaste on the brush head before use._x000D_4. Gently hold the main body of the toothbrush and move slowly in a circular motion. Do not press or scrub hard._x000D_5. First wet it and then put it in the mouth, press the switch 0.5s to start the toothbrush, according to their own needs to choose the appropriate gear.Rinse your mouth with water after brushing. Features: 14 Modes can choose, Clean mode 31,000 times/min thoroughly clean residue, tartar and dental plaque, away from toothache. 2White mode 32,000 times/min waveform massage alternately, whiten teeth; Stay away from cigarette, tea and coffee stains. 3Polish mode 36,000 times/min fully clean teeth, polish tooth surface, removal of sedimentary calculus, delay heavy pigment. 4Gum care teeth protection mode 31,000 times/min gentle care of gingiva, reduce gingiva bleeding. 5Equipped with two toothbrush heads and a cleaning head, can be used interchangeably. Standard USB interface, direct charging base, worry ? free and convenient. PackageList: 1 x Host 2 x Toothbrush Head 1 x Teeth Cleaning Head 1 x Charging Cable 1 x Charging Base