There's no need to carry your MP3 player in your hands or loosely slipping around in your pocket, especially when you're doing a physical activity. MP3 players are fantastically convenient since they're small and manageable, which makes their carriers and cases just as small as well. Armband carriers are made to the specifications of the different MP3 brand's size and shape. Some can even help you manage those pesky wires leading to your earphones.
Getting Physical
Most people wear their armband when they're running and working out, which means you need to take a few things into consideration. First, you will want the face of your MP3 player exposed so you can change the song or volume without much maneuvering. There are some MP3 player headphones that will allow you to make music adjustments through a tool hooked onto the wire leading to the MP3 player, which means you can keep the MP3 player in its case. You'll want an armband that doesn't slip when you move, but also one that doesn't chafe or gets too tight on your arm as you workout, which is especially distracting when you're lifting weights.