Sony RM-50 Original Cable Remote Control TC-K88-b TC-K80ii TC-K81/K75 New no Box July 30, 2023sonycable, control, original, remote, rm-50, sony, tc-k80ii, tc-k81k75, tc-k88-badmin Original remote control / remote control. Sony RM-50 Original Cable Remote Control TC-K88-b TC-K80ii TC-K81/K75 TC-K555 -777 New no Box. I never use it so is still brand new. Share