KEY FEATURES

• More Information
• Color Gray
• Display Size 1.4 inches
• Device Type Smart Watches
• Brand Amazfit
• Model Amazfit GTR 4 Smart Watch - Racetrack Grey
• Features
• Technical Specifications
• Design
• Colors
• Superspeed Black (Fluoroelastomer strap)
• Vintage Brown Leather (Leather strap)
• Racetrack Grey (Nylon strap)21
• Dimensions
• (without heart rate base)
• 46x46x10.6mm
• Weight (with strap)
• 34g
• 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
• 466x466
• PPI
• 326
• Touchscreen
• Tempered glass +
• anti-fingerprint coating +
• anti-glare bezel
• 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
• Accuracy GPS Mode
• Up to 25 hours
• Balanced GPS Mode
• Up to 44 hours
• Power Saving GPS Mode
• Up to 52 hours
• 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
• Other
• Microphone
• Support
• Speaker
• Support
• Motor
• Linear motor
• Strap
• Materials
• Fluoroelastomer / Leather / Nylon
• Quick release
• Width
• 22mm
• Min. & Max.
• Wrist Dimensions
• Fluoroelastomer & Leather straps:
• 150mm-215mm
• Nylon strap:
• 150mm-210mm
• Buckle
• Classic pin buckle
• Packing List
• Smartwatch (including standard strap), magnetic
• charging cable, instruction manual
• Supported Devices
• Android 7.0 and above, iOS 12.0 and above
• Application
• Zepp App
• Sports & Health Features
• Sports Features
• Sports Modes
• 154
• Smart Recognition of
• 25 strength training movements
• 8 sports movements
• Template Creation
• Interval training (via the watch)
• Advanced Running Support
• Track Run mode
• Smart trajectory correction
• Virtual pacer
• Workout Status
• PeakBeats™
• Health Features
• 24H Monitoring
• Heart rate
• Blood-oxygen saturation
• Stress level
• Manual Measurement
• Heart rate
• Blood-oxygen saturation
• Stress level
• One-tap measurement
• Sleep Quality Monitoring
• Sleep stages (including REM)
• Daytime naps
• Sleep schedule
• Sleep breathing quality
• Sleep score
• Health Assessment System
• PAI
• Breathing Exercise
• Support
• Menstrual Cycle Tracking
• Support
• Health reminders
• Abnormally high & low heart rate
• Low blood-oxygen
• High stress level