Car Auto Air Purifier Oxygen Ozone Bar Negativeion Ionizer with Dual USB Charge Port DC 12VFeature:- High Quality and 100% Brand New.- Larger negative ions amounts ( 3.0 million\/cc ) and stronger smoke dispelling function. - Can drop the aroma oil(include) into the purifier to make the air fresher. - The most important thing is with perfect match between impulse negative ions and ozone、     this new product can receive better effects on eliminating bad odors and killing virus. - With Dual USB change ports. - Overload & Short Circuit Protection. - Enhance metabolism and relieve fatigue. - Ozone Concentration ≤ 0.02ppm、 suitable using space: <15\u33a1.- Great for car、 home、 bedroom、 study room、 office. Technical Data:   1. Power source: Car Cigarette Lighter 12V\/DC、 Out Put: 5V 500ma\/2100ma 2. Max Power: 15W 3. Negative Ions: 3000000 pcs\/cm3 4. O3: 0.02 ppm 5. Noise:<30db   5. Material: Plastic + Metal + Electronic Components   6. Weight: 110g   7. Color: Black 8. Mainy use: Car   How to operate: 1)Use in the car、simply plug into car cigarette lighter; 2) use at home and office、 with EU\/AU adapter.  Kindly Reminder: Please open the widows to ensure air circulation after two hours using.  Pakca Include:  1 x Car Air Purifier