Black Running Sport Outdoors Armband Case for HTC ONE M7 / Samsung Galaxy S4 I9500 / Samsung Galaxy S3 I9300 SumacLife hardcore workout armband with key slot and earphone cord excess holder Full screen protector allows full touch screen functionality Provide excellent protection during sport, such as running, biking, jogging, walking, working out etc. Adjustable armband, fits the arm circumference: 12.0 - 15.5 inches, lets you adjust your arm band for maximum comfort. Compatible with:4-5 inch smartphones