RM-MZ2N is compatible with a wide range of Sony portable MiniDisc units that use the standard 3.5mm remote jack, including:Sony MZ-E series (Players): MZ-E50, MZ-E55, MZ-E60, MZ-E62, MZ-E70, MZ-E700, MZ-E707, MZ-E710, MZ-E80, MZ-E90, MZ-E900, MZ-E909.
