FITS devices using LARGER RUGGEDIZED CASES like Otterbox Defender, Lifeproof Fre, Supcase Unicorn Beetle, etc. COMPATIBLE WITH iPhone Xs Max / iPhone Xr / iPhone Xs / iPhone X / iPhone 8 Plus / iPhone 7 Plus / iPhone 6s Plus / iPhone 6 Plus | Galaxy S10+ / S10 / S9 / S9 Plus / S8 / S8 Plus | Note 9 / 8 & other devices from Apple / Google / HTC / Motorola / Samsung / Huawei / Xiaomi / ZTE & other Smartphones. SUPPORTS phones with cases 6.6 x 3.75 x 0.7 inches or LESS. FULL SCREEN FUNCTIONALITY The ultra-thin but tough 0.3 mm screen protector allows you to easily operate your Apple IOS or Android device. Access all your apps including Phone, Text Messaging, Instant Messaging, Email, Social Media Notifications, Time Display, Voice Control, Music, Music Players, Activity Tracker, Calorie Tracker, Heart Rate Monitor, Distance Tracking, Elevation Tracker, Fitness Tracker, GPS, Location Tracking, Multisport Tracking and Pedometer PERFORMANCE AND COMFORT Constructed of high quality waterproof neoprene, this sweatproof armband features a ZIPPERED POUCH, adjustable ELASTIC STRAP and a durable NON-PINCH BUCKLE to ensure a comfortable fit that flexes with your arm and will not constrict movements. The REFLECTIVE SAFETY BAND increases visibility during low light and nighttime activities. This armband also has an internal CARD POCKET for storage of Credit Cards, ID and/or cash for after workout smoothie or snack. MADE FOR EVERY TYPE OF ATHLETE This armband fits men and women with arms 8 to 20 inches around. The strap is designed to keep the armband in place even during most exercise activities including workouts, running, jogging, marathons, triathlon, 5K and 10k road races, camping, hiking, weight lifting, CrossFit, gym, fitness, yoga, Pilates, barre, cycling, hunting and fishing. This armband is also great for walking, touring and travel. For bulkier protective cases users, please search Amazon for Part # ABC2-XLG-BLK for our Rugged Case Compatible Armband.