This is a listing for a SONY CD Walkman remote control RM-MC55ELK. Color: Silver 【Product Overview】 This is a remote control with Kanji display function for SONY CD Walkmans. 【Main Compatible Models】 D-NE20, D-NE830 【Operation Check】 Functionality of the following switches was confirmed by connecting to the D-NE730, a sister model of the D-NE830. As a result, it was operating normally. (Photos 1, 4, 5, and 6 were taken during MP3 CD playback when connected to the D-NE730) ・PLAY/PAUSE ・STOP ・F-SKIP / B-SKIP ・FOLDER〈F-SKIP / B-SKIP〉(During MP3 CD playback) ・VOLUME〈+ / -〉 ・SEARCH ・DISPL / MENU ・SOUND ・P MODE / REPEAT ・HOLD * It has been confirmed that there is no sound interruption or noise when shaking the remote control cord with stereo earphones connected. 【Appearance Condition】 There are no noticeable scratches or stains. It is clean. There are no missing characters or uneven brightness on the LCD display. I have judged it to be in beautiful condition, based on my amateur assessment. 【Special Notes】 Please investigate and confirm compatibility with models other than the 【Main Compatible Models】.