This portable phone sterilizer works with a USB interface. You can plug in your laptop or power bank anytime, anywhere to disinfect items you want to disinfect. With fully enclosed design, it will not leak ultraviolet rays; if the lid is closed during the disinfection process, the ultraviolet lamp will stop working immediately to ensure that it will not cause harm and impact on human body. Easy to use, just press and hold the start button, safely kill 99.99% of bacteria in 5minutes. After 5 minutes, the disinfection will stop automatically and you do not need to stop it manually. Special gifts for people working in the health system. Not only for smart phones, dust masks, toothbrush disinfection boxes, medical disinfection boxes, but also for watches, jewelry, glasses, keys etc. When your