Fits for iPhone 3, 3G, 3GS 4 & 4S. Port: FOB ... hiking, jogging, running or in the gym. Perfect for those rainy days!5.Useful features like twin headphone holes ... ) and a useful pouch for storing a key, coins or headphone cable.6.Best choice for protecting your lovely mobile phone ... ! Sport armband case for Iphone 3G 3GS 4G & ...