Technical specifications for the air purifier ionizer ,Anion output: 1.0x10^6pcs/cm3 ,Ozone output: 0.04ppm/cm3 ,Available area: 9sqm ,Power consumption:¡¨¹ 0.3w ,Power source: dc5v ,Can be put directly into a usb port of computer Consistently releases negative ions Highly effective in removing odors and dust Attracts airborne allergens like pollen; Eliminates static and reduces emi Helps boost your energy and mood Unique design of the rotatable cover well protects usb lead. Packing details: White box with user manual 200pcs/ctn Carton size: 510*350*300mm N.W: 5.0kg Gw : 6.5kg