Small in Size Powerful in Function The air purifier for car comes with a crystal and elegant body, anti-slip foot mats which allow it stand steadily in your car even in a high speed or a sudden brake. It is portable for traveller. Ultra Quiet and Easy Installation The operating noise of the small air purifier is less than 45dB which makes you feel comfortable during you drive and sleep. It works automatically once connected with the power. it compatible with car charger(included), powerbank, laptop, etc. Ionizer Air Purifier 2 in 1 The air purifier constantly releases an enormous amount of negative ions (5*10^8 pcs/cm) every second to keep a nearly 80sq.ft area absolutely purified. Negative ions fill your breathing zone, allowing you to enjoy forest-like fresh air.