The Zenith dual USB car charger can be plugged into almost any vehicle's 12 V accessory outlet to simultaneously charge two devices. This charger features one 2.1 A port for phones, GPS or MP3 players and one 1 A port for a secondary device. The blue LED indicator shows when the charger is receiving power and is ready to charge and it's compact size makes it perfect for traveling. Compatible with Android, Blackberry, Kindle and other USB 1 or 1.1 or 2.0 products.