Characteristics Workout tracking function: Yes Blood oxygen sensor: Yes Accessibility Features: Accessibility Shortcut Tension Monitoring Function: Yes Thermometer: Yes Stopwatch: Yes Calories burned: Yes Timer: Yes Advanced Training: Yes Gyroscope: Yes Alarm: Yes Distance traveled: Yes Recommended activity Bicycle Stair stepper Rowing Hunting Skiing Football Volleyball HIIT Golf Badminton Basketball Box Pilates Snowboarding /Skateboarding Swimming Surfing Triathlon Fishing Hockey Yoga Elliptical Climbing Hiking Walking Riding Running Tennis Motor sports Baseball Electric compass: Yes Barometer: Yes Accelerometer: Yes Heart rate monitor: Yes Sun and Moon Information: Yes Personal information management Reminder Calendar Interval training: Yes Real-time assistance: Yes Smart notifications: Yes Multisport mode: Yes Measurement of training effectiveness: Yes Music control: Yes Activity monitoring: Yes Sleep quality: Yes Virtual Race Function: Yes Fitness Test: Yes Running dynamics: Yes Supported apps: Toe-to-Toe™ Challenges, Garmin Messenger, GameOn, Garmin Golf Activity Tracker: Yes Race Predictor: Yes Suggested Rest Time: Yes Find my phone: Yes Calculation Area: Yes Heart rate contact sensors: Yes Auto pause: Yes Virtual Pacer Function: Yes Weather forecast: Yes Automatic daily activity detection: Yes Foot pod: Yes Design Watch case color: Black Housing material: Aluminum, Glass fiber reinforced polymer (GFRP) Watch case size: 45 mm Market positioning: Smartwatch Wrist size: 137 - 204 mm Belt color Black Blue Strap material: Silicone Shape: Round Water resistance: 10 ATM Lens material: Glass Power Supported battery type: Built-in Battery life 18 days 25 hours Battery type: Lithium-ion (Li-Ion) Battery operation time: 432 h Battery life (in GPS mode): 32 h Weight and dimensions Product weight: 53 g Product dimensions (WxDxH): 45 x 14.9 x 45 mm Network GLONASS: Yes Quasi-Zenith Satellite System (QZSS): Yes GPS: Yes BeiDou: Yes ANT+ available: Yes Galileo: Yes Efficiency Maximum memory card size: 4 GB Fall Detection: Yes Keypad lock: Yes Package contents User Manual: Yes Chest strap: Yes Display Resolution: 390 x 390 px Screen diagonal: 1.2 Display technology: AMOLED Backlight: Yes Display type: Digital Color display: Yes Display size: 30 x 30 mm Software Sports Apps: Connect IQ Ports and interfaces Bluetooth: Yes