inputs.text: not buy cannt connect mp3 player - sorry say point not impressed response issue extensive research unit purchase selected model rx999usb mainly due ability connect mp3 player cannot certainly waste money determined next coarse action \\in response enquiry please note rx999usb support playback music mehemory stick sd card process file retrieving cannot guarantee support types mp3 players long different brand name mp3 players \\hosting\\ systehem builtin unit rx999usb may not compatible therefore rx999usb may not able retrieve files zen v plus mp3 player\\