Car Air Purifier factory Product parameters modelKXD-A05 MaterialAluminum alloy Product efficiency. The input end is designed with a micro USB interface, and the output end is equipped with a dual USB expansion interface, which can be used for charging mobile phones and other electronic devices. Product details Manufacturing strength Strong R&D team, complete manufacturing and testing system, provide qualified and reliable products.Car Air Purifier factory website:http://www.kxund.com/car-air-purifier/