Features: Brand new and high quality Fresher negativeion ultrasonic tooth cleaner can quickly and effectively remove dental stains such as calculus and dental plaque. 500W times/minutes can easily crush stones, innovates non-motor vibration of high-frequency tooth cleaning, make the output more stable, improve cleaning efficiency, and be cleaner and faster. Intelligent soft and hard recognition rejects gingival bleeding injury. The real acousticwave dental cleaner uses a "transducer" that only works when it touches teeth and calculus, so it is more safe to use. Equipped with an endoscope for you, the dirt and stones on the inside of your teeth can be easily used by even novices.The 3-gear tooth cleaning mode meets the needs of different groups of people, from novice to skilled, whether it is mild calculus or aged tooth stains, it can be cleaned in place. In January, the battery is only charged once for 26 days, and the 800mAh battery Type-C went straight, and fully charge in 3 hours. 15 minutes each time, can be used continuously for 26 days. IPX7 waterproof is more hygienic, the anti-flushing performances is fully upgraded, the cleaning is more convenient, and the dirt breeding is blocked. The easy tooth cleaning set meets various needs. Specifications: Material:ABS Voltage: 5V Operating current: 0.35A Power: 1.7W Charging method: Type-C Package Includes: 1x Tooth Polisher 1x Stomatoscope 1x Charging Line 2x Working Head 1x Wrench 2x Disinfectants Tissue note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.