Feature: 1. 4 Modes can choose, Clean mode 31,000 times/min thoroughly clean residue, tartar and dental plaque, away from toothache. 2. White mode 32,000 times/min waveform massage alternately, whiten teeth; Stay away from cigarette, tea and coffee stains. 3. Polish mode 36,000 times/min fully clean teeth, polish tooth surface, removal of sedimentary calculus, delay heavy pigment. 4. Gum care teeth protection mode 31,000 times/min gentle care of gingiva, reduce gingiva bleeding. 5. Equipped with two toothbrush heads and a cleaning head, can be used interchangeably. Standard USB interface, direct charging base, worry ‑ free and convenient. Specification: Condition: 100% Brand New Item Type: Teeth Cleaning Tools Material: ABS + Stainless Steel Built-in lithium battery Battery Capacity: 800mAh Charging Mode: USB charging mode Sound Waves Vibration Rate: Maximum up to 36,000 times per minute Instructions: The best charging time for the first use is 12 hours or more, and the indicator is still on after 12 hours of charging Using step 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. 2. The bristles and gums thread 45 degrees slowly moving toothbrush 3. In order to prevent the toothpaste from splashing, take a small amount of toothpaste on the brush head before use. 4. Gently hold the main body of the toothbrush and move slowly in a circular motion. Do not press or scrub hard. 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.. Package List: 1 x Host 2 x Toothbrush Head 1 x Teeth Cleaning Head 1 x Charging Cable 1 x Charging Base