After the ultrasonic tooth cleaner is opened, the product won't work immediately, fully on challenging items comparable to teeth will begin to work, please see the video for detailsFeatures: 1. Intelligent high-frequency sound waves can deeply clear enamel with out hurting gums, efficiently get rid of stubborn stains and tartar, and preserve oral cavity completely happy and clean. Equipped with two a number of styles of dental cleaning heads, which are used to take away tartar and dental stains at the enamel floor and between teeth, and make oral cleaning more comprehensive. Built-in LED lights can remove darkness from every corner of the oral cavity, which is handy to watch the interior issue of the oral cavity. Clean and whiten teeth efficiently, freshen breath, preserve gums, upgrade oral issues and preserve tooth healthy. Helps to augment different oral problems, similar to yellow teeth, black teeth, swollen gums, bleeding gums, tartar, dental plaque, halitosis, etc. 10-minute timing protection: the dental scaler will automatically give up operating after operating for 10 minutes, in an effort to stop the end of the dental scaler from overheating and make your use safer. Specifications:Material: ABS+ electroplating processColor: whiteType of interface: type-CBattery capacity: 450mARated power: 2 voltage: 5V/1AGear adjustment: 0 equipment adjustment frequency: 37KHZ±3KHZRated voltage: 3 current: 300MANet weight: zero dimensions: 18*2*2CMColor discipline size: 19*7*3 Package Included: 1* Host1* Teeth Cleaning Tip1* Teeth Cleaning Head1* Spanner1* USB Charging Cable1* English User Manual1* Packing Box