Not only for smartphones and face masks, the case sterilizer also works great with a toothbrush, underpants, jewelry, makeup brushes, watches, keys, earphones, and other small items.Large sterilized space UV sterilizer is compatible with mobile phones less than 6.5 inches.Technical specifications:Rated voltage: DC 5VInput current: 1-2AUV Power Light: 2x 1WMax. Working Power: 9WMaterial: Plastic + Electronic ComponentsInstruction:Put the item into the multifunctional sterilizer chamber, press the key disinfection, the item begins to disinfect, after three minutes complete disinfection.Tips:1. After disinfection is complete, the indicator light stops flashing.2. You can open the lid and remove objects during the disinfection process.3. Once the lid is opened during disinfection, it will stop sterilizing. You have to close the lid again to set a new duration disinfection.4. After opening the cover, the UV lamp inside the device turns off.Frames And Display Items Included:1 X UV Phone Sterilizer1 X USB Charging Cable1 X Manual