LIGHTWEIGHT AND USB-C POWERED - It wont take so much space so you can use it anywhere! Only weighing 4.8 OZ with a height of 132mm, it sits perfectly at your bedside, work desk, by your babys crib, or in your car! Perfect as travel air purifier and as car air purifier. AUTHENTIC HEPA AIR FILTRATION - filtering out harmful allergens, pollen and air pollutants that are around you. Ideal for Bedroom, Home Office and Small Room: 120 mins to breathe fresh in the small room (Coverage area 100 sqft) ULTRA-QUIET - Running at an ultra quiet 30dB, you wont even notice it working efficiently in the background while working at your desk or at your bedside while you're asleep. ASY TO USE: Using your HCCMALL is as easy as 1-2-3! Plug it into a standard USB socket using the USB-C cable provided. Then press the ON/OFF button on the top of the unit. Wait for the indicator lights to appear on the top of the unit. Press again to switch the lights off at night, and once more to turn off the unit.