2.Ajustable:Comes with two loops for the adjustable strap.Option A (smaller arm): 8.5"-11". Option B (bigger arm): 10"-15.5".
3.Support touch ID/fingerprint unlock:provides full access to the phone through the transparent window.You can easily operate your phone as usual while exercising.
6.Water Resistant & Sweatproof.No longer worry about sweat will wet the phone.
7.Fits with 5.5'' screen size phones perfectly with slim case on.
8.Perfect For Sports,Running,Cycling,Bicycling,Joggin g,Exercise,Gym,Fitness,Hiking,Camping,Travel,Work out,etc.