Garmin Vivoactive 3
Tech specs 
Size43.4 x 43.4 x 11.7 mm
MaterialCase material: fiber-reinforced polymer and stainless steel
Lens material: Corning® Gorilla® Glass 3
Bezel material: stainless steel
ChargingUSB
BatteryRechargeable lithium-ion
Battery lifeGPS mode: Up to 13 hours
Smartwatch mode: Up to 7 days
Water-resistance5 ATM
Weight43 g
SensorGPS, barometric altimeter, compass, accelerometer, thermometer, heart rate
Displaysunlight-visible, transflective memory-in-pixel (MIP), 240 x 240 pixels
Screen size1.2" (30.4mm) diameter
ColorsBlack, White
OtherPLATFORM: Home Grown OS
PROCESSOR: Unknown
MEMORY: 7 timed activities, 14 days of activity tracking data
CONNECTIVITY: WiFi, Bluetooth
Activity tracking 
StepsYes
DistanceYes
CaloriesYes
ActivityYes
FloorsYes
SleepYes
Heart rateYes
Vo2MaxYes
Stress & recoveryYes
UV exposure
Skin temperature
Galvanic skin response
GPSYes
Running featuresPreloaded running profiles, GPS based distance/time/pace, run workouts, foot pod capable
Swimming featuresPreloaded swim profiles; Pool swim metrics (lengths, distance, pace, stroke count/rate, calories); Stroke type detection (freestyle, backstroke, breaststroke, butterfly); Pool swim workouts
Swim efficiency (SWOLF)
Smartphone notificationsYes
Other - all day stress tracking
- gym workout tracking
- Garmin Pay
- music control, find my phone, etc..
- Built in apps for running, golfing, cycling, swimming, snowboarding/skiing, paddle board, rowing, cardio, walking, strength training, rep counting, yoga, eliptical, stair-stepper and more.
Links 
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