Running Sport Sweatproof Armband + Key Holder for almost all phones in the market, built in two regulating slots to make the sport armband adjustable and suitable for most people. Option A: 12.0-14.0" [30.4-35.5 cm] or Option B: 8.0-11.5" [20.3-29.2 cm].
Truly improved version from sweat proof material, it is sweat-proof and comfortable for sports, gym or exercise.
The port on armband is exactly suitable for the audio port and it has highly sensitive for touching, which is more convenient than others.
Made of lightweight, breathable neoprene and Lycra material makes it for running soft and durable to provide comfort and protection that dries quickly and is easily wiped clean.