Purification Car Charger,TYZEST 12-24VDC 3.4A 2-Port USB Car Charger and Car Air Purifier for iPhone, iPad, Galaxy, Note Series Phones,Tablets and More-Black Car Air Purifier as well as Car Charger.Dual USB (1A+2.4A) ports to charging multiple devices at the same time. Built-in high quality negative-ion generator,5 * 1.06 million anion group per second.Form a strong anion group, purify the harmful gas,the largest concentration of negative ions can up to 3 million pcs per cubic meter. MultiProtect Safety System:Short circuit protection,overheating protection,overcurrent protection and more advanced safety features keep you and your devices safe. Discrete and non-distracting LED to confirm connection. Compatible for Apple, Android (Samsung Galaxy and Note). Use your existing USB charging cables to charge phones, tablets and other most USB powered devices.