1: Release large amount of negative ions that can effectively remove dust, pollen, smoke and PM 2.5 in the air. 2: Kill harmful bacteria & viruses and dispel unpleasant odor by generating safe amount of ozone 3: Blue LED indication light 4: Delicate crystal decoration

ELEC Mini Auto Car Air Purifier Ionizer Generator Mini Oxygen Bar Cleaner 12V- Portable - Powerful Fast Effective (Silver) - B07DZQ578Y