Amazfit GTR 2 Classic

Design
Color
Obsidian Black
Size (square)
46.4*46.4*10.7mm
Weight
Sport model-31.5g (without strap)
Classic model-39g (without strap)
Body
Sport-Aluminum alloy
Classic-stainless steel
Buttons
2 buttons
Waterproofing Grade
5ATM8
Screen
Material
AMOLED
Size
1.39 inches
Resolution
454×454
PPI
326
Touch Screen
Tempered glass
anti-fingerprint coating
ODLC coating
Endurance
Battery Capacity
471 mAh (typical value)
Charging Method
Magnetic Charging Stand
Charging Time
About 2.5 hours
Typical Usage
Battery Life
14 days9
Basic Usage
Battery Life
38 days9
Heavy Usage
Battery Life
6.5 days9
Sensor
Health
Huami 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 2.4GHz
Positioning
GPS + GLONASS
Strap
Material
Silicon or Leather, Quick release
Width
22mm
Clasp
Classic Pin Buckle
Other
Speaker
Support
Microphone
Support
Linear Motor
Support