1. Portable design, easy to carry. 2. 360°air flow, no dead-end air filtration. 3. LED Lamp, adjustable light. 4.HEPA Filter, eliminate more than 99.97% of Air particulate matter 5. DC 5V with USB connect, easy to be used with 6. Optional Aroma Function, keep your zone clean and elegant. 7. Negative Ion, Smoothing mind and body