Nobico J007 USB Negative Ion Car Air Purifier, Style: English Modle(Water Pattern Gold)1. Rated power: 2W 2. Rated voltage: DC 5V 3. Noise: within 48dB 4. Power supply: USB cigarette lighter 5. Packing list: air purifier x 1, anti slip mat x 1, power cord x 1, cigarette lighter adapter x 1, filter x 1 6. Size: 13 x 11. 2 x 5. 5cm Features: 1. IMD shell process, beautiful and exquisite 2. Composite filter, triple filtration and purification, effectively and safely remove all kinds of pollution in the car (PM2. 5, formaldehyde, benzene,