? Mini size， compact and portable. Emit healthy negative ions into the air. A simple way to improve the air quality around the computer. Purify the air and remove toxic substances including odors. Come with a protective cap for USB plug. Easy to use and easy to remove. Package Details Weight: 41.73 g Size: 12*6.7*2.6 cm Package Includes 1 × Mini Portable USB Ionic Air Purifier with Protective Cap