PHONE MODELS:The ideal phone case Compatible with iPhone X, Xs,8, 7, 6, 6S 8, 7, 6S, SE, 5S, 5C, 5, 4S, 4, Samsung GalaxyS9, S8,S7, S6, and other phone models similar dimensions: Diagonal 4.0~5.2. .UNIVERSAL SIZING: Multi-slot Adjustable band Armband Will Fit Almost Any Arm Size 8~15. Full touchscreen funtcionality ??C Our encased running armband acts as a workout phone holder while offering full protection and allowing easy access to your phones touchscreen functionality and headphone jack. High-quality and durable: Our armband is made of the highest quality soft neoprene that is made to flex, Twist, and bend. it can stand up to the toughest workouts. Comfortable and Portable: This armband is ultra lightweight and comfortable during all activities. Our armband offers full screen coverage yet you will retain full touch screen functionality, along with full headphone jack support for apple and android smartphones. Safety for night running: Thanks to integrated reflective stripes you can run during the night without danger, it offers extra pouches for key and cards, this armband is all you will need.