Amazfit Cor 2
Tech specs 
Size4.0 x 1.9 x 1.0 cm
Materialpolycarbonate body, 316L stainless steel housing
Battery160 mAh Lithium Polymer Battery
Battery life20 Days of standby time
Water-resistance5 ATM (50 meters)
Weight32 grams
Sensor3-axis accelerometer for activity, Optical heart rate monitor (PPG), capacitive wear detection, NFC
DisplayTransflective color LCD touch screen
Screen size1.23" inch IPS LCD
ColorsOrange, yellow, blue, red, gray and black
OtherWeather, alarm, timer.
Activity tracking 
Calories burnedYes
Heart rateYes
Stress & recovery
Pulse Ox
Respiration rate
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
Running features
Swimming features
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
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