MOUDUO Air Purifier Usb Convenient Household Indoor Toilet Kitchen Removal Negative Ion Features: [Mini Air Purifier]Evenly provide tens of millions of purifying negative ions, make the air fresher, create comfortable space. [Multifunction]Supplement negative ions, no static electricity, effectively clear , odor, , dust, etc. Purify the air, breathe freely and enjoy a life. [Easy to Use]USB interface, start to run when in,check the indicator lights up. Running stable for 24 hours. Portable and easy to carry, suitable for office, bedroom, kitchen, bathroom, car, etc., create a space.No filters to change. [Silent Operation]No annoying noises, providing a quiet and environment that will not affect with your work, study or sleep. [Product Size]Size:11.3*3.8*3 cm.Weight:31g.Your joyful purchasing experienceisour goal. If you have any quality issue with our product, please feel to contact our . Product Description: Air purifier usb convenient household indoor toilet kitchen removal negative ion Material: Plastic Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Air Purifier Material: Plastic Size: 4.72 inch X 1.97 inch X 1.18 inch