Material: ABS Color: White, Green Size: 21.5*2.5*2.5cm Weight: 0.19kg Packing Size: 24.5*10*3.5cm Charging Mode: USB Interface Battery: Lithium Battery Rated Voltage: 3.7V Rated Current: 200mA Power Adapter: 5V Vibration Frequency: 22000 Times/min Charging Time: About 2H Waterproof Grade: IPX6 Specifications: 1. Effective Cleaning-This Ultrasonic Dental Cleaning Machine Uses High-frequency Sound Waves (31000 Times Per Minute) To Clean Teeth And Freshen Breath. It Is An Indispensable Helper For Oral Care. 2. Five-speed Mode-five-speed Mode Is Suitable For Different Tooth Conditions And Meets The Needs Of Different Groups Of People. One Key Switch Mode, Simple And Quick. 3. The Effect Is Remarkable: Effectively Remove Dental Plaque, Calculus, Yellow Teeth, Bad Breath, Smoke Stains, Improve Oral Problems. 4. Multi-accessories-three Toothbrush Heads Can Be Replaced For Daily Cleaning Of Teeth, And Two High-quality Medical Grade Alloy Steel Replacement Heads Can Remove Tartar, Tea Stains And Smoke Stains. 5. USB Charging-USB Universal Interface, Can Be Connected To Mobile Power, Computers And Many Other Digital Products For Charging, Long Battery Life, Convenient For You To Use Anytime, Anywhere. Package Included: 1 * Electric Toothbrush 2 * Toothbrush Head 1 * Instruction 1 * Usb Charger