1, 2, or 3: Save money when you buy more than one! USB ports: Your purifier has USB ports on the side so you can still plug other devices in Take it anywhere: Simply plug it into your car's cigarette lighter Mosquito trapping: The purifier includes a mosquito trapping and capture function Car air purifier: Get an anti-pollution air purifier for your car De-odouring: Removes specific odours from your car | Car air purifiers