HTC Desire 510 Armband, HHI Armband with Key Holder Pocket for HTC Desire 510 BLACK. Fits Small to Large Arm Sizes Adjustable Armband: fits small to large arms Washable material Built in key holder pocket Perfect companion while you run, ride and lift Flexible lightweight adjustable wrist/armband. Adjustable fastener for one size fits all. Perforated design to ventilate moisture. Complete protection while inside the case jacket. Transparent screen shield that covers the entire front of HTC Desire 510 w