Negative Ion Purifier Mini Portable Household Ionizer USB Plug-In Car Air Purifier For Area

Features:
protection and health: This filterless air purifier allows you to work immediately without replacing expensive accessories, just plug it.
Release 20 million negative ions, so that harmful dust carried by positive ions in the air loses vitality.
Easy to use, plug and play.

Description:
Product name: USB air purifier
Negative ion concentration: 20 million pcs/cm
Power plug type: USB
Working principle: negative ion
Noise: 36 (dB)
Air volume of air purifier: 301-400 cubic meters/hour
Applicable area: 31 (inclusive)-40 (inclusive)
Colour: white/pink/green/purple/black
Material: ABS+metal
Package Contents:
1 * USB air purifier

Only the above package content, other products are not included.
Note: Light shooting 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.