[3-Stage Filtration & HEPA Filter] This desktop air purifier running in low power with 5W makes it extremely -saving and safe. With 1 HEPA filter + 2 activated carbon filter, 3-Stage filtration can effectively clean the air to 99%, make your breath more cleaner and more healthy [Low Noise Operation] 360°circulation purification, effectively clean the air. silence operation below 30dB offers your family a comfortable and quiet environment for sleeping. Perfect air purifier for kids, baby and family, protect family's health and safety. [Powerful Function & Efficient] This small room air purifier adopts powerful air-duct system and brush-less DC motor which powerful function and release fresh air quickly, with strong turbine air guide technology and optimizes air circulation technology to purify the air in the whole room, effective clean the air in every minute. [Portable Size & Wide Coverage] This small air purifier size is 4.5x4.5x6.89 inch, weight:1lb/455g which is portable and by any USB port like power bank/laptop/any USB port. (Adapter not included) It can be conveniently placed everywhere. The air purifier covers width coverage up to 161sq.ft (15sq.m). Suitable for any space like , bedroom, , kitchen, living room, bathroom, small room and .