4181 Datasheet by Adafruit Industries LLC

This cable is easy to understand — you get a 3.5mm mono audio plug on one end, and two alligator clips on the other. It's also really easy to use, perfect for clipping onto a microzbit or Circuit Playground! It's also good for use with AT (accessibility technology) buttons as they use 3.5mm mono cables for
3.5mm Mono Audio Plug to Alligator
Clips
PRODUCT ID: 4181
This cable is easy to understand - you get a 3.5mm mono audio plug on one
end, and two alligator clips on the other. It's also really easy to use, perfect for
clipping onto a micro:bit or Circuit Playground! It's also good for use with AT
(accessibility technology) buttons as they use 3.5mm mono cables for
interconnection.
Overall length: 275mm
Black wire connects to sleeve, white wire connects to tip.
TECHNICAL DETAILS
Overall length: 275mm
Wire gauge: 22AWG
https://www.adafruit.com/product/4181/6619