Specification: Item name: Air purifier Energy efficiency class: A Charging method: USB charging Voltage: 5V Power: 5W Frequency: 50Hz Wavelength: 265nm Noise: 35dB CADR of particulate matter: 60 cubic meters/hour Formaldehyde CADR: 45 cubic meters/hour Particulate CCM: P4 Formaldehyde CCM: F4 TVOC: 40 cubic meters/hour Toluene: 40 cubic meters/hour Color: White Material: Plastic Product size: approx. 11.8*18cm / 4.6*7.1" Cable length: 1 meter Packing List: 1 x Air purifier 1 x USB cable 1 x English manual 1 x Brush