Sumaclife Workout Running Armband Case Pouch for BLU Studio G / X / Energy / BLU Vivo Air Smartphone / BLU Life Pure Unlocked / LU Studio 5.0 / Star 4.5 / Life Play 2 / LIFE 8 Unlocked (Black) This durable, lightweight armband case keeps your Phone secure and protected. Full screen protector allows full touch screen functionality Provide excellent protection during sport, such as running, biking, jogging, walking, working out etc. Adjustable armband, fits the arm circumference: 12.0 - 15.5 inches, lets you adjust your arm band for maximum comfort. Washable, durable, and lightweight