Samsung Gear S3
Tech specs 
Size49 x 46 x 12.9 mm
MaterialStainless Steel 316L
ChargingQi wireless charging
BatteryLi-Ion 380 mAh battery
Battery lifeStand-by Up to 72 h (3G)
Talk time Up to 72 h (mixed usage)
Water-resistanceIP68 (dust proof and water resistant over 1.5 meter and 30 minutes)
Weight59 grams
SensorAccelerometer, gyro, heart rate, barometer, GPS
DisplaySuper AMOLED capacitive touchscreen, 16M colors, Corning Gorilla Glass SR+, Always on display
Screen size1.2 inches, 360x360 pixels
ColorsVarious models
OtherPLATFORM: Tizen-based OS
PROCESSOR:
MEMORY:
CONNECTIVITY: Bluetooth, WiFi
Activity tracking 
StepsYes
DistanceYes
CaloriesYes
ActivityYes (automatic recognition)
FloorsElevation
SleepYes
Heart rateYes
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
GPS
Running featuresTime, distance and pace
Swimming features
Smartphone notificationsSMS, Email, IM
Other Built-in GPS for sports tracking and sending out SOS alerts
Links 
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Amazon US rating4.2 out of 5 stars
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