SLIM ARMBAND PHONE HOLDER FOR RUNNER: Take your phone, earphone and this running phone armband, and you are ready for this running journey. This armband phone holder can let your running, jogging be easier, practical storage capacity is good enough for keeping your three essentials for outdoor running with you, including phone, keys and earphones. Let you run lightly with ease.- PREMIUM, BREATHABLE, WATERPROOF: Made of premium diving material, of great waterproof performance, wear resistance and durable to use.- PRACTICAL STORAGE FUNCTIONS: Composed with one transparent phone holder for 7'' phone and below and one small pocket is designed for storing keys or small belongings, making your running journey be more enjoyable.- SAFETY REFLECTIVE STRIP AND EARPHONE HOLE DESIGN: Enjoy your running, with the safety reflective strip design makes you can be easier noticed by people especially during night running in dark place. While the wired earphone cable organizer design can well organized the extra long earhphone cable for you.- REFERANCE SIZE: Suitable for 7'' phone and below, adjustable armband can suit for arm circumference of 220mm-400mm. NOTE: The arm circumference below 220mm may not suitable for this armband phone holder.