【Material】Made of good quality matte black aluminium finish, the car air purifier is sturdy. You can use it for a long time.【Good Performance】This car air purifier has many function.It can smoke dust, pet smells, bad s, Compatible with Benzene, formaldehyde. It releases up to 5.6 million /cm³ of negative ions for cleaning the air.【LED Light】When car air purifier is working, the LED indicator on the top will glow gently to help you locate the air purifier and the USB ports in the darkness.【Double USB Ports】The smell air freshener has dual-port USB chargers, which are provided for powerful and fast charging for any mobile ph, tablet, and other devices. So it can keep the car cabin fresh as well as fast charging for a long car ride.【How To Use】The plug in air purifier does not require a battery to operate. You just need to plug this air purifier into your 12V car cigarette lighter outlet and start enjoying pollen-free clean fresh air while driving.