Car Negative Ion Air Purifier $ 19.37 Product information: Material: Aluminum alloy + ABS Type: Air purification Model: JO-6291 Applicable models: car Power: 0.8 (W) Power supply: 12 (V) Negative ion concentration: 560,000 Suggested use area: 15 () Rated voltage: 5 (V) Active oxygen content: within 0.05ppm Appearance size: 3535105mm Weight: 0.04 (kg) Color: silver, copper, black Output interface: dual USB ports Output current: 2100 Output voltage: 5 Package: Purifier x1