Insten Compatible with Apple iPod Nano 3rd Gen 3G Sport Armband 4GB 8GB This durable, lightweight armband case keeps your iPod secure and protected. Multiple layers of padding offer the best in protection. Adjustable Hook-Loop Armband gives you the versatility of carrying your iPod in a variety of ways. You can run, ride, lift and more without missing a second of your favorite tunes. Armband is compatible with upper arm circumference: 10 - 15 inches. Compatible With Apple: iPod nano 3rd Gen. 4GB / 8GB.