• Brand: Amazfit
• Model: GTR 4
• Type: Smart Watch
• Display:
  • Size: 1.43 Inch
  • Resolution: 466 x 466 - 326 PPI
  • AMOLED Touchscreen
• System Requirements: Android 7.0 and above, iOS 12.0 and above
• Connectivity: WLAN 2.4GHz, Bluetooth 5.0 & BLE
• Support: Microphone, Speaker
• Sensors: BioTracker 4.0 PPG Biometric Sensor, Acceleration Sensor, Gyroscope Sensor, Geomagnetic Sensor, Barometric Altimeter, Ambient Light Sensor
• Features: Answer Bluetooth Phone Calls, 24H Heart Rate, SpO2 & Stress Monitoring, 24h Monitoring of Blood Oxygen Saturation, Test 4 Health Metrics in 1 Tap, Track Sleep Quality & Daytime Naps, Light, Deep & REM Sleep Stages, Sleep Breathing Quality, 150 Sports Modes & Strength Exercise Recognition, Interval Training Templates, Swimming Heart Rate Monitoring, Music Storage & Playback, Strong & Precise GPS Tracking and Navigation with 6 Satellite Positioning Systems, Track Run Mode & Smart Trajectory Correction, Track Run Mode & Smart Trajectory Correction, The Ultimate Personal, The Peakbeats Algorithm for Data About Oxygen Uptake, Full Recovery Time, Training Load And Training Effect
• 200 Watch Faces With Matching Always-on Displays
• Battery Capacity: 475 mAh
• Battery Life: Up to 7 days (Heavy Usage), Up to 14 days (Typical Usage)
• Charging Method: Magnetic Charging
• Charging Duration: Approx. 2 hours
• Water Resistance: 5ATM
  
• Dimensions: 46 x 46 x 10.6mm
• Material: Case: Aluminum - Strap: Leather
  
• Color: Case: Silver - Strap: Vintage Brown
  
• Warranty: 6 Months