... Dock Connectors, Including iPod mini, photo, and shuffle. USB power adapter is use with MP3 player with Dock Connectors, and shuffle.If ... to USB port of the power adapter. Then extend the electrical prongs and plug the adapter into an electrical outlet to charge MP3 ... .4) Compatible with Call phone, PDA, PSP, Digital camera, using a corresponding USB link. USB Power Adapter for MP3 Player