Amazfit GTR 2
Tech specs 
Size47.2 x 47.2 x 9.7 mm
MaterialStainless steel, aluminium and titanium case options
ChargingUSB, Magnetic charging
Battery471mAh
Battery life14 days of battery life in normal mode and 38 days with limited functionality.
Water-resistanceUp to 50 metres (5 ATM)
Weight24.7 grams
Sensor9-axis accelerometer, BioTracker PPG (capable of measuring SpO2, 3-axis geomagnetic sensor, air pressure sensor, capacitive sensor, ambient light brightness sensor, GPS + GLONASS and NFC
DisplayAMOLED with Corning Gorilla Glass 3 protection
Screen size1.39 inches (454x454, 326 ppi)
ColorsThe smartwatch is available as an elegant “Classic” or “Sport” model.
OtherPLATFORM: Proprietary
PROCESSOR: N/A
MEMORY: 512 MB of RAM, 4 GB of storage
CONNECTIVITY: Bluetooth 5.0 LE, GPS + GLONASS and NFC
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
Floors
SleepYes
Heart rateYes
Stress & recovery
Pulse OxYes
Respiration rate
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPSYes
Running features
Swimming featuresSWOLF, pace, stroke detection
Other - alerts for arrhythmia and atrial fibrillation
Non-fitness functions 
Smartphone notificationsYes
On-board music storage3GB of memory on-board for this purpose
Connected payYes
LTE
Links 
Affiliate link*Amazon
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