Amazfit Cor
Tech specs 
Size4.0 x 1.9 x 1.0 cm
Material316L stainless steel housing, 1.23" inch IPS LCD
Battery170 mAh Lithium Polymer Battery
Battery life12 Days of standby time
Water-resistance5 ATM (50 meters)
Weight32 grams
Sensor3-axis accelerometer, Optical heart rate sensor (PPG)
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
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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