Features 1、Application: Air purifier can be used in bedroom, living room, kitchen, bathroom, study room, office, car, etc. 2、Quantity of Negative Ions: High purification capacity of tens of millions of levels of negative ions, and the release quantity is about 50 million /cm³. 3、Function: Air Freshener has functions of deodorization, formaldehyde removal, second hand smoke, PM2.5 and odor removal. 4、USB Powered: USB directly plug in, can be used in various occasions, continuous and stable operation for 24 hours. 5、High Quality: Concealed brush releases anion, no static electricity and no blackening around. Specifications Item Type: Car Air Purifier Material: ABS Voltage: 5V Current: 1A Power: <0.8W Quantity of Negative Ions Released: Approx. 50 million/cm³ Function: Deodorization, formaldehyde removal, second-hand smoke, PM2.5, odor removal, air quality improvement Application: Bedroom, living room, kitchen, bathroom, study room, office, car, etc. Size: Approx. 11.2x3.9x3.2cm/4.41x1.54x1.26in Package List 1 x Air Purifier 1 x Manual