Garmin Forerunner 30
Tech specs 
Size35.5 x 40.7 x 13.3 mm
MaterialPlastic with silicon band
ChargingYes
Batterylithium-ion
Battery lifeSmart mode: Up to 5 days; GPS mode: Up to 8 hours
Water-resistance5 ATM
Weight37 grams
SensorAccelerometer, optical heart rate sensor, GPS
DisplaySunlight-visible, transflective memory-in-pixel (MIP), 128 x 128 pixels
Screen size23.5 x 23.4 mm
ColorsVarious
OtherPLATFORM: Proprietary OS
PROCESSOR: N/A
MEMORY: 7 activities
CONNECTIVITY: Bluetooth Smart, Ant+, Wi-Fi
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
Floors
SleepYes
Heart rate24/7
Vo2MaxYes
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPSYes
Running featuresPreloaded run profiles, GPS-based distance, time and pace, Cadence (provides real-time number of steps per minute)
Swimming features
Other - Music control, Fine my phone
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
Links 
Affiliate link*Garmin
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