Mp3 player with speaker.
Is there a small compact mp3 player like one of those sound keychains that were popular in the '80s and '90s - they had several buttons on them and when you pressed one they would make all sorts of sounds - like an alarm, machinegun,etc...
Here's how it looks:
https://www.youtube.com/watch?v=IuxYSI-PDBs
I'm looking for something similar, but that can be customized with my own sounds.