Electric Sonic Dental Calculus Remover Teeth Cleaner Dental Cleaning Tool Teeth Whitening Scaler Dental Tartar Remover Oral Care Device Features: 1. Effective cleaning — This ultrasonic dental scaler uses high-frequency vibrations (31,000 times per minute) to help remove plaque and debris from teeth surfaces and support fresh breath. 2. Five-speed mode — Offers five adjustable intensity levels to accommodate varying user preferences and oral conditions. One-button mode switching for ease of use. 3. Multiple accessories — Includes three replaceable brush heads for daily cleaning and two medical-grade alloy steel scaler tips designed for targeted removal of surface buildup. 4. USB charging — Equipped with a USB interface for convenient charging via power banks, computers, or other compatible devices. Built-in rechargeable lithium battery provides extended usage time. Specifications: Material: ABS Color: White, Green, Black Size: 21.5 × 2.5 × 2.5 cm Weight: 0.19 kg Packing size: 24.5 × 10 × 3.5 cm Charging method: USB interface Battery type: Lithium battery Rated voltage: 3.7 V Rated current: 500 mA Power adapter input: 5 V Vibration frequency: 31,000 times/min Charging time: Approx. 2 hours Waterproof rating: IPX7 Package contents — Standard Version: 1 × Main unit 1 × Dental mirror 2 × Brush heads 1 × USB charging cable 1 × English user manual Package contents — Luxury Version: 1 × Main unit 1 × Frosting tip 1 × Dental mirror 3 × Brush heads 1 × USB charging cable 1 × English user manual