The MacAlly Swivel Armband for iPhone 4 makes it convenient to keep your device handy while you work out. Place your iPhone 4 or iPod touch in this armband and attach it to your arm. The iPhone 4 armband leaves your hands free while exercising. It can also be used for holding other portable devices. The rotating swivel mount used in this iPod touch armband allows you to view your device from all directions. Its protective window is transparent and protects your device from scratches and bumps. At the same time, it lets you navigate through the device easily. The band can be adjusted from nine to 17 inches.