Insten Deluxe Adjustable Black Armband Sports Case Cover Compatible With Apple iPhone & iPhone 3G Exercise your right to a great soundtrack with this ultimate workout duo: an iPhone SportBand with Case. This durable, lightweight armband case keeps your iPhone secure and protected. Unique design allows easy access to all functions without having to remove the skin. Multiple layers of padding offer the best in protection. Compatible with: Apple iPhone 3G 16GB / 8GB / iPhone 3GS 16GB / 32GB Armband is compatible with upper arm circumference: 10 - 15 inches.