Amazfit GTR 4 Smart Watch Global Version

Technical Specifications of Amazfit GTR 4 Smart Watch

Design 

• Colors:  Superspeed Black (Fluoroelastomer strap) Vintage Brown Leather (Leather strap) Racetrack Grey (Nylon strap)22 
• Dimensions: 46x46x10.6mm (without heart rate base) 
• Weight:  34g (with strap)
• Body Material: Aluminum alloy middle frame + high-gloss sprayed PC bottom shell 
• Buttons: 2 
• Water-resistance Grade: 5 ATM
   

Display 

• Material: AMOLED 
• Size: 1.43″ 
• Resolution: 466×466 
• PPI: 326 
• Touchscreen: Tempered glass + anti-fingerprint coating + anti-glare bezel

Sensors 

• Health: BioTracker™ 4.0 PPG biometric sensor (supports blood-oxygen, 4PD + 2LED) 
• Movement: Acceleration sensor Gyroscope sensor Geomagnetic sensor Barometric altimeter Ambient light sensor 
• Positioning: Dual-band & 6 satellite positioning systems 
• Connection: WLAN 2.4GHz, Bluetooth 5.0 & BLE

Battery 

• Battery Capacity: 475 mAh (rated value) 
• Charging Method: Magnetic charging 
• Theoretical Charging Duration: Approx. 2 hours 
• Typical Usage Scenario Battery Life: Up to 14 days 
• Battery Saver Mode Battery Life: Up to 24 days 
• Clock Mode Battery Life: Up to 50 days 
• Heavy Usage Scenario Battery Life: Up to 7 days