Type 1 Specification Name:Electric LED Ultrasonic tooth cleaner Battery Capacity: 250mAh Working Voltage: 3.7-4.2V Rated Current: 130mA Max Charging Method: USB Charging Cable Feature: 1. Effective Dental Calculus Remover The dental calculus remover has up to 30000 vibrations per minute and is made with premium stainless steel that will work thoroughly to remove plaque, tartar, and food debris on your mouth. 2. Safe & Premium Materials With stainless steel and food-grade silicone material, You can have a more comfortable feeling and easier cleaning 3. USB Charging & Portable The dental calculus remover comes with a USB charging cable, convenient to recharge anytime. Please choose the adapter of 5V-1A to charge, and the battery capacity is 250mAh. IPX6 grade waterproof can be washed directly with water, safe and convenient. Extra-Features 1. This dental cleaning tool comes with an LED HD screen, auxiliary LED light and a silicone handle. 2. It has a smart memory function, which automatically selects the last shutdown mode when it is opened. 3. It also has 3 heads to choose from depending on your dental needs. Package including: 1 * Host 2 * Cleaning Heads 1 * Mouth Mirror 1 * Double head Dental Probe 1 * DC charging cable 1 * User Manual Type 2 Product Introduction: The device uses high frequency vibrations to effectively remove tartar,calculus, smoke stains, tea stains and more from teeth, bringing your clean and healthy teeth back. It's equipped with 3 cleaning heads, which do thejob of cleaning as well polishing. Comes with 3 cleaning modes, it meets various needs of different users. Besides, the compact design and intuitive operation also make the device a perfect home-use oral care tool. Feature : 1.Effective: High frequency vibrations deliver great teeth cleaning effect; 2.Versatile: 3 cleaning heads and 3 cleaning modes meet different needs; 3.Reliable: Stainless steel working tip & waterproof body ensures safety; 4.Attentive: LED auxiliary light helps target tartar or stains accurately; 5.Eco-Friendly: 250mAh rechargeable battery supports long run time; 6.User-Friendly: Intuitive 2-button design helps avoid misopereation; 7.Comfortable: Lightweight body & silicone handle provide snug grip.