Simplifi charges USB-rechargeable iPod models as they sync with your computer through the included USB mini cable. Use Simplifi"s USB ports to plug in keyboards, printers, cameras, flash drives, scanners, external hard drives, anything USB-compatible. Simplifi ships with an AC adapter for those USB devices that need a powered port.Simplifi comes boxed with a set of Universal Dock adapters to fit most dockable iPod models, but initial shipping units do not have a universal dock adapter for iPhone 3G included. You can order additional dock adapters for just $1.99 each. At retail stores, Simplifi units listed as iPhone 3G compatible will have shipped after the introduction of iPhone 3G and will have the proper dock adapter included.