Garmin Forerunner 945
Tech specs 
Size47 x 47 x 13.7 mm
MaterialLens material: Corning® Gorilla® Glass DX
Bezel and case material: fiber-reinforced polymer
ChargingYes
BatteryLithium-ion
Battery lifeSmartwatch Mode: Up to 2 weeks; GPS mode with music: Up to 10 hours; GPS mode without music: Up to 36 hours
Water-resistance5 ATM
Weight50 g
SensorGPS/GLONASS/GALILEO, barometric altimeter, compass, accelerometer, gyroscope, thermometer, heart rate, Pulse OX
Display240 pixel diameter; sunlight-visible, transflective memory-in-pixel (MIP)
Screen size1.2" (30.4 mm) diameter
ColorsBlack, Blue
OtherPLATFORM: Home Grown OS
PROCESSOR: Unknown
MEMORY: 200 hours of activity data
CONNECTIVITY: Bluetooth, ANT+, Wi-Fi
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
FloorsYes
SleepYes
Heart rate24/7
Stress & recoveryYes
Pulse OxYes
Respiration rate
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPSGPS/GLONASS/GALILEO
Running featuresGPS-based distance, time and pace, Running dynamics (with compatible accessory), cadence, performance condition, run workouts, race predictor, foot pod compatible.
Swimming featuresPool swim metrics (lengths, distance, pace, stroke count/rate, calories), Stroke type detection (freestyle, backstroke, breaststroke, butterfly), Swim efficiency (SWOLF), drill logging, pool swim workouts.
Other - outdoor recreation, golf and cycling features
- Physiological measurements: Vo2Max, Training Status, Training Load, Recovery Time, Training Effect, Heat and altitude acclimation, Training load focus, Primary benefit (Training Effect labels) and more.
- Body Batter Energy Monitor
- Incident detection
Non-fitness functions 
Smartphone notificationsYes, Text response/reject phone call with text (Android™ only)
On-board music storageUp to 1000 songs, Plays and controls watch music
Connected payYes
LTE
Links 
Affiliate link*Amazon | Garmin
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