Features: -Widely used in homes, cars, offices, hotels and other places, it purifies the air at a rate of 60 cubic meters per hour. -Equipped with a 1m long USB power cable, it is convenient for users to find a suitable power source. -It adopts ultraviolet light and multiple filtration design to effectively remove dust, smoke, formaldehyde, etc. -The working noise is as low as 35dB and will not affect your sleep, study or rest. -It is small and lightweight, easy to carry and does not take up much storage space. .