Apple iPod Dock Connector for shuffle 1st Generation   (Discontinued by Manufacturer) Enables quick connectivity for desktop users or those without an easily accessible USB port Simply plug the dock into the USB port on your computer or the optional iPod USB Power Adapter to get started Makes charging and computer syncing easy Compatibility: iPod shuffle (1G only) 6.0 x 3.0 x 3.0 inches (WxHxD)