For use on iPod 4th Gen Color/Photo/Grey Scale/BW and 3rd Generation models. This product is the converter only, you will  also require a suitable iFlash adapter (see my other items)Models Known to workModel DescriptionModel No.iTunes Track Limits4th Gen 20Gb U2 EditionM9787approx. 250004th Gen 20GbM9282approx. 250004th Gen 20Gb ColorMA079approx. 250004th Gen 30Gb PhotoM9829Not Determined4th Gen 40Gb PhotoM9585Not Determined4th Gen 60Gb ColorM9830Not Determined4th Gen 60Gb PhotoM9586approx. 300003rd Gen 20GbM9244BMax 128GB3rd Gen 40GbP9245BMax 128GB3rd Gen 15GbM9460BMax 128GB3rd Gen 10GbM8976Max 128GBModel Identifiers on case back: A1099, A1059, A1040Non-iPod Models Known to work reported by other users (please note we do not official support these, so you are on your own!).Brand/MakeModel No.NotesiRiverH320using RockboxShould work with majority of the Toshiba 44pin IDE hard drive using music players and devices