1. High-frequency sonic vibration (12000RPM) and 5 multi-function nozzle heads can work together for effective removal of tartar, calculus, plaque, tea stains and grime even for the hard-to-reach areas, making it easy to maintain oral health and freshness. 2. Easy-to-operate design with 4 adjustable gear levels, quick one-button gear shifting, ergonomic streamlined body delivers comfortable and secure grips, user-friendly to hold even after prolonged use. 3. Built-in high brightness LED assist light helps avoid dead ends with a clearer viewing effect, making teeth cleaning a breeze. 4. Powered by 1 * 1.5V AAA battery (not included) for continuous fun, the non-slip base can easily hold the main unit and cleaning heads to save the storage space. 5. Environmentally friendly and lightweight material for ease of carrying, washable and interchangeable heads for easy cleaning, hygiene and maintenance free, suitable for both home and travel. Specifications Material: ABS + Eco-friendly PP + Eco-friendly TPE Color: black / white Voltage: 1.5V Vibration frequency: 12000RPM Gear levels: 4 gears Power: 1 * 1.5V AAA alkaline battery (battery is NOT included) package included: 1 * Electric Dental Bill Remover (Main Unit) < br><br>5 * Replaceable Cleaning Head 1* Basic stand