5 In 1 Electric Tooth Polisher USB Rechargeable Dental Scaler Toothbrush 1. The electric tooth cleaner is used to target tooth stains, tartar, and rough tooth surfaces. It can remove stubborn tooth stains that cannot be removed even if you brush your teeth every day. 2. Equipped with 5 replaceable brush heads, the silicone brush head removes tooth stains, the bristle brush head cleans the tooth surface, and the polishing brush head increases the surface finish of the teeth and delays the regeneration of tooth stains 3. Three-speed speed adjustment, the default startup is low speed, and it will automatically shut down after 5 minutes of use. 4. The brush head rotates and rubs 360 degrees, and is used with toothpaste to clean teeth and remove tooth stains. 5. Added LED lighting function, you can see the tooth surface clearly while cleaning your teeth 6. New lock key function is added to facilitate the removal of the brush head and prevent it from slipping. 7. A new storage compartment is added at the bottom of the fuselage to facilitate storage of brush heads and make the charging port waterproof. 8. Using 800 mAh 18350 lithium battery, the preferred usage time is 120-180 minutes when fully charged 9. The body material is ABS+aluminum alloy, and the outer body is non-magnetic. 10. How to use: TYPE-C interface, connect the USB cable to the mobile phone charger, and use it after charging. Rotate the brush head to the head base, match it with toothpaste, and it can be used after turning on the machine. Specification: 1. Rated power: 5W 2. Rated voltage: 3.7V 3. Product size: 17 x 2.5 x 2.5cm 4. Net weight: 101g Packing list: Host x 1 USB cable x 1 Cleaning head x 5