Sony RM-50 Wired Remote Control for Cassette DeckIt’s not old, its vintage!Condition:* Used, removed from service in working condition. Unable to test fully. Additional Notes:* For vintage radio, stereo, or tape HiFi amps.* Compatible with: TC-K88B, TC-FX1010, TC-K80, TC-K77R, TC-K75, TC-K65, TC-K55, TC-K71, TC-FX6, TC-FX7, TC-FX600, TC-FX66, TC-K555, TC-K777, TC-V7, TC-YX7…etc. Sony RM-50