E-best&reg; Car air purifier ,car air freshener with USB and power plug connector to use for charging smartphone and all kinds of Tablet PC Power source:12V DC car charger;High density Plasmacluster Ion Generator fits into a car cup holder Operated with your car cigarette socket, it is suitable for all kinds of cars;Plasmacluster technology refreshes the air and leaves it cleaner smelling Supply high anion quantity of 150 million/cm3 to purify the air in your car Material: aluminum alloy housing. Convenient and practical, healthy and fashionable With a USB port, it can directly charge your iPod, MP3 player, mobile phone, PDA, etc.