Features 1.High frequency sonic vibration (12000RPM) and 5 multi purpose nozzle heads can work together for effective removal of dental tartar, calculus, plaque, tea stains and soot, even for the hard-to-reach areas, easily helping you keep oral health and stayfresh breath. 2.Easy to operate design with 4 adjustable gear levels, quick to switch by one button control,ergonomic stream line body delivers comfortable and secure grips, user-friendly to hold even after long time use. 3.Built-inhigh brightnessLED auxiliary light helps to avoid dead ends with clearer viewing effect,making teethcleaning a breeze. 4.Powered by 1* 1.5V AAA battery(not included) for continuous enjoyment, non-slip base can hold the main unit and cleaning heads easily to save the storage space. 5.Eco-friendly and light weight material for carrying convenience, washable and interchangeable heads for easy cleaning, hygiene and maintain free, suitable for both home and travel use. Specifications Material:ABS + Eco-friendly PP + Eco-friendly TPE Color: Blue Black/White(Optional) Voltage:1.5V Vibration Frequency: 12000RPM Gear Levels: 4 Gears Power: 1* 1.5V AAA Alkaline Battery(Battery is NOT Included) Size: As Picture Shown Package Included: 1*ElectricToothCalculus Remover(Main Unit) 5* Replaceable CleaningHead 1* Base Stand .Items from Sheng Xinshun's shop