1. Three-in-one: integrate the function of ultraviolet disinfection, charging the toothbrush and carrying. 2. Built-in rechargable Lithium battery, be able to use for 70-100 times 3. Built-in timer for the 5-minutes' disinfection, it is very safe 4. Once the case is open, the ultraviolet disinfection will be paused to prevent any hurt caused by the ultraviolet, and when the case is closed, the ultraviolet will go on automatically. 5. The switches are invisible, it is inductive switch with nice appearance and good waterproof capacity. 6. The case is anti-ultraviolet aging. 7. With streamlined appearance, looks elegant and fashionable 8. Micro USB charging port, be compatible with most charger, it is convenient. 9. Waterproof class: IP 44 10. The travel case is universal. The function of disinfection and carrying is suitable for most electric toothbrush in the market, and the function of charging is suitable for some Philip and Xiaomi toothbrush.