The iPod Nano 4th Generation has got quite a line-up of accessories for it. There are cases, headphones, screen covers, skins, arm bands, and many other things to pick from! If you're going for style, it would be recommended to look into buying a skin for your iPod. As for protection, screen covers and a case are obviously the option for you! If you exercise a lot, it would be a good idea to look at buying an arm band or iPod dock!