IOGEAR GearPower 2-Port 4.2A USB Wall Charger for Simultaneous Rapid-Charge of Smartphones and Tablets, GPAW2U4 Dual 2.1A (10W) USB outputs allow simultaneous charging of tablets or smartphones Compact, folding plug design allows easy storage for travel Optimized for charging iPad/iPhone/iPod-charges 2 simultaneously Charges most USB compatible mobile devices, including MP3 players