Powerful H13 HEPA Filter and Activated Carbon FilterA true medical grade HEPA filter and an activated carbon filter work together seamlessly to freshen the air. H13 means this filter only passes up to 0.05% of 0.1 micron particles per liter of air.Simple One-Button OperationOne button controls two modes. Sleep mode is designed with dim night light, don't worry about annoying light at night. In normal speed mode, the desktop purifier works with a brighter night light to create a cool and warm environment. Let you sleep peacefully without interference.Quiet Operation, Low to 32dB 360 air inlet and air outlet design can purify the air from all sides . The minimum noise is less than 32dB, almost equivalent to the sound of baby's breathing. Treat yourself to a calm and soothing sleeping and working environment.Number of pieces delivered: 1Size: 165*165mmWeight: 0.9 kgAir volume: 15CFMSpeed: 230ORPower: 2WPurification level: H13Filtration system: activated carbon composite cottonInput voltage: DC5.0V/500mAProduct size: 165165165mm