Amazfit GTR 2 Smartwatch Classic Design

3D Curved Bezel-less Design | All-round Health and Fitness Tracking
Music Storage and Playback | Ultra-long Battery Life | Alexa Built-in

Color Obsidian Black
Size (round) 46.4x46.4x10.7mm
Weight Classic model-39g (without strap)
Body Sport - Aluminum alloy
Classic-Stainless steel
Buttons 2 buttons
Waterproofing Grade 5ATM

Screen Material AMOLED
Screen Size 1.39 inches
Resolution 454x454
PPI 326
Touch Screen: Tempered glass, anti-fingerprint coating, ODLC coating

Battery Capacity 471 mAh (typical value)
Charging Method Magnetic Charging Stand
Charging Time About 2.5 hours
Typical Usage Battery Life 14 days
Basic Usage Battery Life 38 days
Heavy Usage Battery Life 6.5 days

Sensor Health: Self-developed BioTracker™ 2 PPG,(support blood-oxygen) biological data sensor
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 Silicon, Quick release, Width 22mm, Classic Pin Buckle