VanGoddy Jet Black Sweat Resistant Armband for Alcatel OneTouch Idol Series/Fierce 4 / Pixi 4 Plus Power/Shine Lite/Tru / Streak / X1 / Dawn Comfortable on the go sweat resistant neoprene armband keeps your device hand-free Armband features small slip pocket for storing a house key Adjustable hook and loop fabric strapping and extender piece offer a universal fit | 10.5"-13inches Without extender peice & 15"-20inches with extender peice Cell phone compartment measures 6.25" X 3.25" X 0.50inches | Please see end of description for compatible models