i9500 Sport Armband,Gym Running Sport Armband Case for Samsung Galaxy S4 Mobile Phone i9500 Sport Armband,Gym Running Sport Armband Case for Samsung Galaxy S4 ... safe when you are exercise Provide excellent protection during sport, such as running, biking, jogging, walking, working ... more visibility under light for your safety Adjustable velcro armband with two openings, fits the arm circumference: ...