Tivoli Audio iSongBook Carry Bag Unit Dimensions 6.125H x 7.31W x 2D (15.56cm H x 18.57cm W x 5cm D) / Weight 0.53 lbs (0.24 kg) A detachable iPod Carry Case that attaches via a belt clip to a hoop (this can be replaced with a users belt clip style case- or a protective case of an iPod can be slipped into it) An iPod can play while in the ISB Carry Case via a mini cable out from the Ipod to the rear panel auxiliary input for portable music in transit. There is a rear panel cut out on the case for the Aux in and power input through the case. The Flip down Universal Dock can be used while the iSongBook is in the Carry Bag via a flip down panel that is secured with Velcro. There is no need to take the ISB out of the Carry Case to use the flip down dock for play or recharging.