Sterilize your everyday objects! The UV technology eliminates 99.9% of the bacteria, from surfaces such as cellular phones, keys, glasses, headphones, reusable masks, cosmetic tools, toothbrushes, etc. UV LED light kills bacteria by destroying DNA or RNA, to stop them from reproducing and generating. Simply put the objects in the bag, plug it in a USB port and choose the Mask Mode (1 minute cycle) or the Other Mode (10 minutes cycle) for a 360⁰ sterilization. The UV lamp lasts for 50,000 hours