Garmin Pay contactless payment solution lets you pay for purchases with your watch (available for supported cards from participating banks)Personalize your watch with thousands of free watch faces, apps and widgets from our Connect IQ storeMore than 15 preloaded GPS and indoor sports apps, including yoga, running, swimming and more. Case material : fiber-reinforced polymer with stainless steel rear coverMonitor your fitness level with VO2 max and fitness made estimates, plus keep an eye on how you handle stress (see garmin.com/ataccuracy).Fits wrists with a circumference of 127-204 mmGet connected features such as smart notifications, automatic uploads to Garmin Connect, LiveTrack and more when paired with a compatible smartphoneBattery life: up to 7 days in smartwatch mode; 13 hours in GPS mode;Display size:1.2 inches diameter,Display resolution:240 x 240 pixels