<b>Voice entry module (cartridge)</b> with opened case for the East German home computers <a href="https://en.wikipedia.org/wiki/KC_85" class="extiw" title="en:KC 85">Robotron KC 85/1 and KC 87</a>, manufactured by the <a href="https://en.wikipedia.org/wiki/Robotron" class="extiw" title="en:Robotron">VEB Robotron</a>-Meßelektronik "Otto Schön" Dresden. With this module the computer can be controlled per microphone.
Enrico Grämer
Attribution
The author sent the photo to me.