Power source Corded Electric, Battery Powered Units 1.00 count LargeCapacity Water Tank: Avoid the trouble of secondary water replenishing caused by insufficient water during use. continuous cleaning of teeth. The body has an exclusive patented internal leakproof drainage and detachable design, convenient and pract. Waterproof Design: Unique gravity ball design, no matter what angle it is used, it can continuously discharge water to assure the cleaning effect. fully enclosed body design, no electric leakage, allowing safe use in the bathroom shower environment. Portable: This product is small in size, suitable for travel and business trips. The largecapacity lithium battery can be fully charged within 4 hours, and it can be used continuously for 75 times, each time about 2 minutes. . 3 Modes: 360 degree rotatable nozzle design to help you clean every corner of the mouth, standard 2 nozzles, adapt to any scene. thoroughly clean the limescale and dental plaque. normal, soft, pulse. low noise, and is more comfortable to use. . low noise, and is more comfortable to use. Oroughly Clean Teeth: allows you to show confident and charming smiles. Regular use of Flosser helps to remove plaque and food stuck between teeth to prevent tooth holes, tooth decay and even tooth loss.