Premium Sport Exercise Armband with Key Slot for HTC Desire 630 / 610 / 530 / 526 / 520 / 516 / 510 / One A9 / M8s / M9 / HTC Titan (Pink) Soft Neoprene Design, will not stick when sweating Transparent front windows allow full touch screen functionality Touch closure strap perfect for wrapping excess headphone cord around. Side slot to fit a key Adjustable & Removable touch closure strap is designed to accommodate most arm sizes Compartment Size: 5.5  3.2 inch (Fit up to 5" phone WITHOUT Case) | Armband length without extra strap: 18in | Armband length with extra strap: 24in