Three-Position Inductive Charger easily charges up to three devices simultaneously on the large Qi charging zones. It's as simple as setting your phone down. Innovative charging method eliminates cords, keeping you organized. The charger has Qi, the universal standard for charging. This means you can charge any Qi-enabled device manufactured today, or tomorrow, on your current charging pad. Charger includes two zones for cordless inductive charging, indicator lights and one USB port for charging. Use the charger and the Energizer Qi enabled sleeve (sold separately) to charge iPhone 3GS and iPhone 3G. With the Energizer Qi enabled door (sold separately), you can use this inductive charging pad to charge the BlackBerry Curve 8900.