Sport Armband Kit. Keep your phone secure, accessible, & protected during any activity. Includes accessibility ports for headphones or other cables and easy access to button controls. An adjustable neoprene armband comfortably fits arms 8" - 11" in circumference with Velcro closure. Use the built-in key pocket to hold your house or car key secretly & securely while running or walking. A clear window protects your screen while still allowing touch capability. Compatible with most 4.5" - 5.2" smartphones.