Product Specifications: General Lens Material - Corning Gorilla Glass 3 Bezel Material - fiber-reinforced polymer Quick Release Bands - yes (22 mm, Industry standard) Strap Material - silicone Physical Size - 45.6 x 45.6 x 12.9 (mm); Fits wrists with a circumference of 130-205 mm Water Rating - 5 ATM Memory/History - 4 GB Clock Features - Time/Date, GPS Time Sync, Automatic Daylight Saving Time, Alarm Clock, Timer, Stopwatch, Sunrise/Sunset Times Health Monitoring - Wrist-Based Heart Rate (Constant, Every Second), Daily Resting Heart Rate Abnormal Heart Rate Alerts - Yes (high and low) Respiration Rate (24X7) - Yes Pulse Ox Blood Oxygen Saturation - Yes (spot-check, and optional all-day acclimation and in sleep) Sleep - Yes (advanced) Hydration - Yes (in Garmin Connect and optional Connect IQ widget) Women's Health - Yes (in Garmin Connect and optional Connect IQ widget) Sensors - GPS, Glonass, Galileo, Multi-Frequency Positioning, Garmin Elevate Wrist Heart Rate Monitor, Barometric Altimeter, Compass, Gyroscope, Accelerometer, Thermometer Color Display Display Size - 1.3" (33 mm) diameter Display Resolution - 260 x 260 pixels Display Type - sunlight-visible, transflective memory-in-pixel (MIP) Weight - 49 g Battery Life Smartwatch mode: Up to 14 days GPS-only GNSS mode: Up to 30 hours All-Systems GNSS mode with music: Up to 6.5 hours All-Systems GNSS mode: Up to 25 hours All-Systems GNSS mode plus Multi-Band: Up to 16 hours Daily Smart Features Connectivity - Bluetooth, ANT+, Wi-Fi Connect IQ (Downloadable Watch Faces, Data Fields, Widgets And Apps) - Yes Smart Notifications - Yes Calendar - Yes Weather - Yes Realtime Settings Sync With Garmin Connect Mobile - Yes Battery Saver (Customizable Low Power Watch) - Yes Smartphone Compatibility iPhone and Android - Yes Pairs With Garmin Connect Mobile - Yes Garmin Pay - Yes Music Controls Smartphone Music - Yes Plays And Controls Watch Music - Yes Music Storage - up to 500 songs Safety and Tracking Features Livetrack - Yes Live Event Sharing - Android Only Incident Detection During Select Activities - Yes Activity Tracking Features Step Counter - Yes Move Bar (Displays On Device After A Period Of Inactivity; Walk For A Couple Of Minutes To Reset It) - Yes Auto Goal (Learns Your Activity Level And Assigns A Daily Step Goal) - Yes Calories Burned - Yes Floors Climbed - Yes Distance Traveled - Yes Intensity Minutes - Yes Trueup - Yes Move IQ - Yes Garmin Connect Challenges App - yes (optional Connect IQ app) Gym & Fitness Equipment Available Gym Activity Profiles - Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga Workouts Available - Cardio, Strength, HIIT, Yoga, Pilates Running Features GPS-Based Distance, Time and Pace - Yes Running Dynamics - Yes (with compatible accessory) Outdoor Recreation Available Outdoor Recreation Profiles - Hiking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing Point-to-Point Navigation - Yes Elevation Profile - Yes Other Special Workout Profiles - Cycling Features, Swimming Features