Apple MB127G/A 3-Pack Universal Dock Adapter for iPod Touch (1st Generation)

These Apple Dock Adapters enable your iPod touch to connect to the Universal Dock and other products that use the Universal Dock system. Simply insert the Dock Adapter into the Dock, then plug in your iPod touch. When you want to connect another iPod to the Dock, pop out the iPod touch Dock Adapter and insert one for your iPod.