Amazfit GTR 2 Smart Watch , 1.39 Inch Black

Brand: Amazfit
Type: Smart Watch
Display
• Tempered glass + anti-fingerprint vacuum coating
Sensors:
-Health: Self-developed BioTracker 2 PPG
-(supports blood-oxygen) biological data sensor
-Movement: Air pressure sensor
-Acceleration sensor
-Gyroscope sensor
-3-axis geomagnetic sensor
-Ambient light sensor
Battery
• Battery Capacity: 471 mAh (typical value)
• Charging Method: Magnetic Charging Stand
• Charging Time: About 2.5 hours
• Typical Usage Battery Life: 11 days
• Basic Usage Battery Life: 38 days
• Heavy Usage Battery Life: 6.5 days
Compatible with: Android 5 or iOS 10 and above