There is no better way to learn about wearables than building your own. We have already covered plenty of cool DIY wearables projects in the past. This Sound Reactive NeoPixel Peace Pendant also looks quite interesting. The goal here is to help you get better at 3D printing and electronics. You are going to need an Arduino, NeoPixel Ring, necklace and ring, microphone, and a few other parts to get started.
The above video shows how this necklace works. You can find out more about it on thetinkeringtech’s page.