Samsung Galaxy Watch Active 2
Tech specs 
Size40mm and 44mm variant
MaterialStainless Steel (Bluetooth version) or Lightweight Aluminum design (LTE models)
ChargingWPC based wireless charging
Battery40mm: 247mAh
44mm: 340 mAh
Battery lifeBetween 1 and 2 days (depending on use)
Water-resistance5 ATM
Weight40mm: 26 grams (Aluminium case)
44mm: 30 grams (Aluminium case)
SensorHeart Rate Monitoring (with 8 Photodiodes), Electrocardiogram (ECG), Accelerometer (measure up to 32g of force), GPS (Glonass,Beidou,Galileo), NFC. There's also an LTE model.
DisplaySuper AMOLED
Screen size40mm: 1.2-inch S-AMOLED display (360 x 360 pixels resolution)
44mm: 1.4-inch S-AMOLED display (360 x 360 pixels resolution)
ColorsVarious
OtherOperating system: Tizen
Processor: Exynos 9110 Dual core 1.15 GHz
Memory: 768MB and 1.5GB of RAM (LTE model)
Connectivity: Bluetooth® 5.0, Wi-Fi b/g/n, NFC, A-GPS/GLONASS/Galileo/Beidou
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
FloorsYes
SleepYes
Heart rateYes
Stress & recoveryYes
Pulse Ox
Respiration rate
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intakeYes (through the app)
GPSYes
Running features
Swimming features
Other - ECG
- Fall alerts?
- Monitors blood pressure through an optional research app.
Non-fitness functions 
Smartphone notificationsYes
On-board music storageYes
Connected payYes
LTEYes (selected models)
Links 
Affiliate link*Amazon | Samsung
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