• Brand: Amazfit
• Model: GTS 4 Mini
• Type: Smart Watch
• Display:
  • Size: 1.65 Inches
  • Resolution: 336 x 384 HD - PPI 309
  • AMOLED Touchscreen
• System Requirements: Android 7.0 and above, iOS 12.0 and above
• Connectivity: Bluetooth 5.2 BLE
• Support: Microphone
• Sensors: BioTracker 3.0 PPG Biometric Sensor (Supports Blood-Oxygen), Acceleration Sensor, Geomagnetic Sensor, Ambient Light Sensor 
• Features: PAI Health Assessment System, 24H Heart Rate, SpO2 & Stress Monitoring, Track Sleep Quality, Test 3 Health Metrics in 1 Tap, 120 Sports Modes, Smart Recognition of 7 Sports, PeakBeats Workout Status Algorithm for Oxygen Uptake, Full Recovery Time, Training Load and Training Effect, Intelligent Assistance & Interaction, 5 Satellite Positioning Systems, health reminders for Abnormally High or Low Heart Rates, Abnormally High Stress Levels, Abnormally Low SpO2 Levels, Stress-reducing Breathing Exercise, SomnusCare for Monitor Sleep Stages & Daytime Naps and Track Sleep Breathing Quality at Night, Menstrual Cycle Tracking
• Battery Capacity: 270 mAh
• Battery Life: Up to 8 Days (Heavy Usage), Up to 15 Days (Typical Usage),  Up to 21 hours (Continuous GPS Usage)
• Charging Time: Approx. 2 hours
  
• Charging Method: Magnetic charger
• Water-Resistant: 5ATM (up to 50 meters)
• Dimensions: 41.8 x 36.66 x 9.1mm
  
• Material: Case: Aluminum Alloy Plastic - Strap: Silicone 
• Color: Case: Midnight Black - Strap: Midnight Black
• Warranty: 6 Months