Wiktionary
microtape
n. A small cassette tape.
Usage examples of "microtape".
The android deftly unclipped its chest console, swung aside the flap, and fished out a flat dispenser of microtapes, which it held out for inspection.
Panglish the First Granny had taught her people, and that I had learned from many boring hours listening to the microtapes while I begged to be let go out and play instead.