Outdoor sports phone arm bag, waterproof, running fitness cycling phone caseUniversal mobile phone armbandUniversal sports armband is compatible with all mobile phone models below 6.5 inches screen, such as iphone 12/11/XS/XR/X Max, iphone 8/7/6/5; Samsung Galaxy S10/S 10 Plus, S20, S 9 Plus/S 9, S 8 Plus/S 8, S 7 Edge, Samsung Galaxy S 6 Edge/S 6/S 5, as well as HTC, Sony, Huawei, etc.HIGH QUALITY MATERIALThis phone holder bag is made of breathable thick neoprene polyester fabric, waterproof and sweatproof, light, soft and comfortable. The elastic adjustable shoulder straps and double Velcro make it comfortable to wear and also easier to adjust to the proper position according to your needs.Reflective DesignIf you like night sports, you can choose our upgraded reflective design arm bag so that others can easily see you; avoid accidental bumps and injuries when exercising in the dark.2 Pockets and Headphone Jack DesignThis portable running arm bag has 2 pockets with premium hardware zippers. You can use it to store your phone, ID/credit card, cash, keys. The specially designed headphone jack allows you to enjoy music easily. Whether youre running, exercising or hiking outdoors.Wide Use OccasionThis exercise armband is perfect for indoor and outdoor use. Indoors are suitable for fitness, yoga; running, cycling, hiking, walking, fishing, camping, travel, daily leisure and other outdoor activities.Size: 9.5*18cmArm circumference 14cm-38CM (can be adjusted at will)