Garmin Forerunner 230
Tech specs 
Size45.0 x 45.0 x 11.7 mm
MaterialPlastic with silicon band
ChargingYes
Batterylithium-ion
Battery life16 Hours training, 5 weeks watch + AT + Notifications
Water-resistance5 ATM
Weight41 grams
SensorAccelerometer, GPS
Displaycolor - 215 x 180 pixels
Screen size31.1 mm diameter
ColorsBlack/White, Force Yellow, Purple Strike
OtherPLATFORM: Proprietary OS
PROCESSOR: N/A
MEMORY: 200 hours of activity data
CONNECTIVITY: Bluetooth Smart, Ant+, Wi-Fi
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
Floors
SleepYes
Heart rate
Vo2MaxYes
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPSGPS and GLONASS enabled
Running featuresVO2 max estimate, recovery advisor, race predictor, calculates distance for indoor workouts, personal records
Swimming features
Other - Music control, Fine my phone
- Remembers 200 hours of activity data
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
Links 
Affiliate link*Amazon | Garmin
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