LED Light & Glass Mirror The mouth mirror, equipped with an LED light, provides a clear view of hard-to-see areas, allowing quick debris removal and helping to keep teeth and gums healthy. High efficiency cleaning The device operates at a vibration frequency of up to 40 kHz, reaching 3,000,000 vibrations per minute. This high-frequency vibration minimizes the potential damage to teeth and gums that can occur with manual dental tools, helping to maintain oral health. USB Charging The electric cleaning kit includes a USB charging cable, allowing convenient charging from a mobile or laptop power supply. The device charges quickly within 3 hours and can operate approximately 50 times on a single charge. Sterilization with Red Light Try the advanced Purple Light Sterilization technology that effectively prevents bacterial growth, ensuring a healthier and hygienic environment for you and your family. In other words, it's the same. Easy to Install Use the included wrench to easily replace the cleaning head. 2 cleaning heads This toothbrush comes with two replacement heads: a pointed head suitable for cleaning small stains on the gums and a flat head ideal for cleaning large stains on the tooth surface.