Name: TINY ATTINY88 dev board, labeled “TINY” or “MH-TINY” on the board.
Top view
This picture shows the part from above, so that is easy to see were connectors should go, and which diameter they have.
Foto or vector graphic, no links here please.
I can’t find any official documentation but they are sold for very cheap on many sites usually in packs of 5:
https://www.amazon.com/AITRIP-Development-Digispark-ATmega328-Compatible/dp/B09DY7Y4DL