Portable Mini Air Purifier Usb Plug in Negative Ion Generator Air Freshener for Home Office Bedroom Black

--LOW NOISE, ECO-FRIENDLY AND HEALTHY: This filter-free air purifier allows you to work right away without changing expensive accessories, just plug it in.--Release 20 million negative ions to deactivate the harmful dust carried by positive ions in the air.--Easy to use, plug and play.--It can effectively remove odors from hotel rooms, kitchens, bathrooms and toilets, pet odors, cooking odors, second-hand smoke, and more, keeping the air fresh!Features: 1. Mini Air Purifier Compared with other air purifiers, this B plug-in air purifier is small in size, making it easy for you to travel.  2. Negative ion purification function: The air ionizer generates negative ions, which combine with the dust of positive ions in the air and sink to the ground to avoid the danger of inhaling floating objects. And realize the removal of cigarette smoke, oil fume and other particulate matter. Effectively freshen the air and improve sleep quality.Description: Name: Air PurifierStyle: desktop Function: negative ion Control mode: button type Applicable scene: home Applicable area: 11㎡ (inclusive)-20㎡ (inclusive) Negative ion concentration: 20 million pcs/cm³ Power plug type: B How it works: negative ions Noise: 36 (dB) Air volume of air purifier: 301-400 cubic meters per hour Applicable area: 31㎡ (inclusive) -40㎡ (inclusive) Material: ABS+MetalPacking list: 1 x Air Purifier Note: Different displays may cause the color of the item in the picture a little different from the real thing.  Manual measuring,please allow 1~3mm error,thank you.