20 Million Negative Ion Purifier Household Ionizer USB Plug-in White

Product name: USB air purifier
Negative ion concentration: 20 million pcs/cm³
Power plug type: USB
Working principle: negative ion
Noise: 36 (dB)
Air volume of air purifier: 301-400 meters/hour
Applicable area: 31㎡ (inclusive)-40㎡ (inclusive)
Colour: white
Material: ABS+metal

Package Contents:
1 * USB air purifier

Only the above package content . other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.