Air purifier: Get a negative ion car mini-air purifier. Colour: Choose from five great colours such as black, blue, green, pink, and white. Charge: Takes 30-minutes to fully charge and lasts up to 12 hours. Negative ion purification: Can sink floating particles, purifying the air. Easy use: Simply attach to the car's air outlet or hang from a mirror for cleaner air! Accessories: Also comes with a sling and car air outlet clip. Negative Ion Car Mini-Air Purifier | Living Social