Step 1: To Do a Mini Portable Speaker You Need!!!
In today's video I'd like to show you how to make a portable speaker for a cell-phone.
Step 2: Step by Step!!!
Step 3: In General, Nowadays You Can Easily Purchase Portable Speakers for a Cell-phone As the Price Is Low and the Supply Is Big.
However, it's far more interesting to make it by yourself.
Step 4: Thanks for Watching!!!
How To Make a Mini Simple Audio Amplifier: https://youtu.be/H7rpCHgnEds