Specification: Lens Material Corning Gorilla Glass 3 Bezel Materialstainless steel Case materialfiber-reinforced polymer & stainless steel Quick Release Bandsyes (20 mm, Industry standard) Strap materialsilicone Physical size 43.4 x 43.4 x 11.7 mm Fits wrists with a circumference of 127-204 mm Weight 43.0 g Water rating Swim, 5 ATMTouchscreen Display typesunlight-visible, transflective memory-in-pixel (MIP) Display size 1.2 (30.4mm) diameter Display resolution 240 x 240 pixels Color display Battery life GPS mode: Up to 13 hours Smartwatch mode: Up to 7 days Memory/ History 7 timed activities, 14 days of activity tracking data Clock Features Time/date GPS Time Sync Automatic daylight saving time Alarm clock Timer Stopwatch Face It watch face creator Sensors GPSGLONASSGarmin Elevate wrist heart rate monitor Barometric altimeter Compass Accelerometer Thermometer Daily Smart Features Connectivitybluetooth Smart & ANT+ Connect IQ (downloadable watch faces, data fields, widgets & apps) Smart notifications Text response/reject phone call with text (Android only) Calendar Weather Music controls Find My Phone Find My Watch VIRB remote Smartphone compatibilityiPhone, Android Compatible with Garmin Connect Mobile Garmin Pay Activity Tracking Features Step counter Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it) Auto goal (learns your activity level & assigns a daily step goal) Sleep monitoring (monitors total sleep & periods of movement or restful sleep) Calories burned Floors climbed