This item can disinfect masks, accessories, and smartphones using ultraviolet light. I am selling it because I haven't had a chance to use it. It eliminates 99% of bacteria and viruses on the surface of masks, smartphones, and accessories. * Employs UV-C LEDs, scientifically proven to be effective for disinfection (uses 253.7nm, the most bactericidal wavelength within UV-C). * Disinfection effectiveness confirmed by a third-party organization (tested and proven by the international verification organization GDDCM to eliminate over 99% of bacteria and viruses, such as E. coli and Staphylococcus, with 5 minutes of use). * Easy operation: simply place the item in the case and press the switch. * Automatically turns off after 10 minutes with a timer. Product Specifications Built-in rechargeable battery: 18650 type lithium-ion rechargeable battery (PSE certified) Rated input: 5VDC/1A (Micro USB terminal) Power consumption: Maximum 2W UV wavelength: 253.7nm Operating temperature range: 0℃ to 45℃ Product weight: 190g Length...9cm Width...approx. 22cm Height...approx. 4cm