Dream Wireless Universal Sport Armband for 4 to 5-Inch Wide Phones - Retail Packaging - Black with Black Reflective Rim Product Dimensions: 5.5 x 3 x 0.5 inches. Compatible with iphone5/5S, Samsung Galaxy S3/S4, HTC One and more for a proper fit. Lightweight PU frame provides a durable design. Sweat-wicking neoprene backing promotes airflow for comfortable wearing. Touch-through vinyl window lets you access your device"s touch screen. Custom cutout makes it easy to use your device"s headphone jack. Stretch armband with a slide ring adjusts to fit arms up to 15" in circumference for flexible use.