Insten Sportband Armband with Case for iPod touch Video and iPhone 3GS/4S (Red) Apple iPod, iPhone, or iPad are registered trademarks of Apple, Inc. Products are Apple compatible and not endorsed by Apple, Inc. Compatible With iPhone 3GS/iPhone 4S - AT&T, Sprint, Version 16GB 32GB 64GB/iPod touch Video Exercise your right to a great soundtrack with this ultimate workout duo: MP3/Cell Phones Sport Band with Case. This durable, lightweight armband case keeps your MP3/Cell Phones secure and protected. Adjustable Velcro Armband gives you the versatility of carrying your MP3/Cell Phones in a variety of ways. Unique double-folding strap can fit snugly on the smallest and largest of arms! You can run, ride, lift and more without missing a second of your favorite tunes. Armband is compatible with upper arm circumference: 9 - 13 inches. Pocket Size: 2.75W x.75D x 4.5H in. (7W x 2D x 11.5H cm) Pocket Size: 2.75W x.75D x 4.5H in. (7W x 2D x 11.5H cm)