The Zenith dual USB wall charger can be plugged into any wall outlet or power strip to simultaneously charge two devices. This charger features one 2.1 A port for tablets and phones and one 1.0 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 and foldable plug makes it perfect for traveling. Compatible with Android, Blackberry, Kindle and other USB 1.0 or 1.1 or 2.0 products.