Beauty, Personal Care and Cosmetic Products Design Ultrasonic Tooth Cleaner Tooth Cleaning by Malong Xi Ultrasonic Tooth Cleaner is a portable device designed for daily tooth cleaning. A water thread of 0.6 millimetres delivers 1400 pulses per minute, and four modes are offered: normal, soft, strong and pulse. The inside of the mouth is shown visually, and the device connects to a mobile application through a wireless module so the cleaning state can be checked. An ultraviolet sterilisation mode removes remaining germs. The body measures 154 by 67 by 42 millimetres, is waterproof to IPX7 level and offers a battery life of 30 days.