Reddit reviews 2Pcs 14 AWG Jumper Wires Alligator Clips to Alligator Clip Heavy Duty Silicone Test Leads Set 39"/1 m
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Attention: Sold By Bei Qian ; Alligator Clip Test Leads: 1pcs Red and 1pcs BlackType: Double ends Alligator Clip Test Leads Cable Connector. Great for all electrical testing and electronic applications for things like automotive accessoriesInsulated Alligator Clip Jaw Opening:10mm Nominal Voltage: 600V Testing Voltage:2000VThick Cable: 14 AWG / Copper Core Copper Number: 400/0.08mm Bear Current: 20ASilicone Cable Diameter:3.5mm Cable length : 3 Feet / 39" / 1 Meter
I assume you are running it off a CR2032. Not going to happen. You read adafruit's page on powering this thing right?
http://data.energizer.com/pdfs/cr2032.pdf
> Pulse drain of ~6.8mA.
EDIT: Your breadboard has just one issue. You really should solder the screw terminals to that board. I doubt you are going to get a very good electrical connection with the way you have it wired right now. It might work, might make it sound terrible, might not work at all. You can push the wires against the holes for a short term fix, but stuff like that is asking for trouble. You might put some capacitance in parallel with your button to do hardware debouncing. The capacitor would go from pin 2 to ground. The value doesn't matter much and you'll know if it's too small because you won't be debounced. 1n, 10n, 0.1u, 1u are all fine.
Check and make sure your speaker is either 4 or 8 ohms.
While you wait for your battery stuff from Adafruit you can try powering board from a cell phone charger. Don't do this with a USB port on your computer. You will likely either trip a resettable fuse, but you could possibly also damage the USB port drawing as much power as this thing takes. This idea probably won't work with two 4 ohm speakers, but should work with two 8 ohm or one 4 ohm speakers. As to the USB charger you want one that's rated for 5v 2a. From there you just use a wire to connect Vbus (pin 3) and Vin (pin 1).
Last bit of advice I have is use solid wires whenever possible. I pretty much only use stranded jumper wires when I need a female connector on one or both ends. Pull back the rubber boot over one of your alligator clips. If they look like this don't trust them. They're pretty much garbage which is why they are so cheap. The wire gauge is a lot thinner than the insulation leads you to believe. You can make them better by at least soldering the wire to the alligator clips, but really you would want thicker wire. At that point you should just buy good ones. You can get them from Amazon, but it's kind of a rip off. Better to get them from aliX and just be patient on the shipping.
https://www.amazon.com/Alligator-Clips-Heavy-Silicone-Jumper/dp/B07L29V4Z2/
I've bought leads from this aliX store before and have had good luck with them:
https://cleqee.aliexpress.com/store/group/Test-Leads/1810103_253379085.html
As to the actual clips I recommend these:
https://www.aliexpress.com/item/32352890876.html
Good luck!