The Genuine Sony CDP-CE500 Compact Disc CD Player Remote Control RM-ASU100 is a specifically designed remote control for Sony DVD/Blu-ray players. It is a 5-disc model that is compatible with the Sony CDP-CE50 player. This remote control allows users to easily operate their Sony CD player from a distance, making it convenient for controlling playback and other features of the device. With its genuine Sony brand, users can trust in the quality and compatibility of this remote control for their Sony CD player.