[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. [3-Stage Filtration & HEPA Filter] This desktop air purifier running in low power with 5W makes it extremely energy-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] 360circulation 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. [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 office, bedroom, office, kitchen, living room, bathroom, small room and . Color:White Material:ABS Package Contents: 1 * air purifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.