Niles SmartDock2 The SmartDock2 Syncs An IPod To A Computer Without Disconnecting It From The Niles ZR-6 MultiZone System Adjustable IPod Support Accommodates Different IPod Sizes And Shapes When Switched To Computer, The IPod Charges From The Computers USB Connection When Switched To Niles System, The IPod Charges From The Niles ZR-6 MultiZone System 2 year limited warranty