I have a few sets of earphones around the house that sound really good, but lack volume controls built-in. That always bothers me because if I want to change the volume I have to dig the iPhone out of my pocket.
How To: Buy a Pokemon Go Plus
A new DIY project over at Instructables will let you add your own inline volume control to any headphones or earphones. The project uses parts that you can probably scrounge from old gear laying around your house.
Don't Miss: iPhone 8: Everything You Need to Know
You will need male and female 3.5mm headphone adapters, solder, a potentiometer for volume control and a few other things. Once you craft all the stuff up you will have your own volume control. The full instructions are available here.