Mobile Device Compatible - The i2 Gear sports armband keeps your MP3 player and belongings secure during high intensity workouts, weightlifting, yoga, hiking and other outdoor activities. The compartment measures 5.2 x 2.67 x .56 inches and can comfortably fit 7th, 6th and 5th Generation Series media players along with most standard MP3 player cases. This also fits iPhone SE (2016) and iPhone 5 5S 5C phones. Design - The wide back of our armband creates helps to keep the band from moving while you exercise. Adjust the soft neoprene strap up to 20 inches to keep the holder tightly bound to your arm (if needed, a strap extender is included). We've increased the size of the hook and loop fastener to 3 inches to ensure a secure attachment. Storage - Leave that bulky fanny pack or distracting running belt in the car. Store your drivers license, cash and credit cards along with your mobile device into the zipper pouch of our slim armband. You can put all of your focus into a getting a good workout, knowing that you are prepared for any situation. Convenience - Instead of keeping your player in a hard to reach place like a sleeve keep it right at your fingertips in our comfortable black armband. The transparent screen protector keeps sweat and moisture out while providing full touchscreen access. The universal running case can also fit your headphone jack. Answer texts and switch songs without breaking stride with the i2 Gear armband. Quality Materials - Our premium armband is made of durable nylon and neoprene materials which deliver a soft and comfortable fit while wicking away sweat and moisture. Keep the armband fresh for future workouts by hand washing and letting it air dry.