Wisdompro Running Armband [with Headphones Organizer & Key Holder] Compatible with OtterBox Defender/Commuter Series/Lifeproof Cases for iPhone SE, 5s, 5, 5c & iPod Touch 5, 6 (Blue) Designed & perfect fit for Otterbox Defender or Commuter Series Or Lifeproof case for iPhone SE/5/5s/5c and iPod Touch 5th/6th Generation (Maximum compartment size 5-1/4" x 2-3/4" x 7/8") Position adjustable Velcro fits arms circumferences in the range of 10 to 14 inches. Please ensure your arm's fitness before order. Made of ultra lightweight, soft and durable Neoprene material Dedicated openings for easy access and management of controls, buttons and ports Earphone cord organizer & key holder slot; and Wisdompro&reg; 4x4" Microfiber cleaning cloth