Amazfit GTR 2 Smart Watch - Black

Design
Color
Obsidian Black
Thunder Black (New Version)
Lightning Grey (New Version)
Size (round)
46.4x46.4x10.7mm
46.4x46.4x10.9mm (New Version, without sensor base)
Weight
31.5g (Sport Edition, without strap)
39g (Classic Edition, without strap)
32g (New Version, without strap)
Body
Sport-Aluminum alloy
Classic-Stainless steel
New Version-Aluminum alloy
Buttons
2 buttons
Waterproofing Grade
5ATM8
Screen Material
AMOLED
Size
1.39 inches
Resolution
454x454
PPI
326
Touchscreen
Tempered glass + anti-fingerprint vacuum coating1
Endurance
Battery Capacity
471 mAh (typical value)
Charging Method
Magnetic Charging Stand
Charging Time
About 2.5 hours
Typical Usage
Battery Life
11 days9
Basic Usage
Battery Life
38 days9
Heavy Usage
Battery Life
6.5 days9
Sensor
Health
Self-developed BioTracker™ 2 PPG
(support blood-oxygen) biological data sensor
Movement
Air pressure sensor
Acceleration sensor
Gyroscope sensor
3-axis geomagnetic sensor
Ambient light sensor
Connection
Bluetooth 5.0
WLAN 2.4GHz16
Positioning
GPS + GLONASS
Strap Material
Silicone or Leather, Quick release
Width
22mm
Clasp
Classic Pin Buckle
Other
Speaker
Support
Microphone
Support
Linear Motor
Support
Packing List
Watch body (including standard strap) / charging base / instruction manual
Supported Devices
Android 5.0 or iOS 10.0 and above
Application
Zepp App