Amazfit GTR 4 Racetrack Grey

A Classic in Action, Powered by Zepp OS 2.0:

• 150+ Sports Modes & Strength Exercise Recognition
• Dual-band Positioning & Route Import*
• Ultra-long 14-day Battery Life
• Easy 24/7 Health Management
• Bluetooth Phone Calls & Music Storage

*Route import will be available via OTA update.

Advanced Fitness Support

• 150+ Sports Modes: Extensive selection including Strength Training, Golf Swing, Swimming, and more.
• Smart Recognition of Strength Training Exercises: Automatically recognizes movements and counts reps.
• Smart Recognition of 8 Sports: Automatically suggests the sport mode for activities such as Treadmill, Outdoor Running, and Swimming.
• Live Sports Data Broadcast: Get real-time notifications on sports data like heart rate and hydration reminders.
• Music Storage & Playback: Store music on the watch for direct playback or control your phone’s music via Bluetooth.

Strong & Precise GPS Tracking and Navigation

• Industry-first Dual-band Circularly-polarized GPS Antenna
• 6 Satellite Positioning Systems
• Route File Import & Real-time Navigation: Import and follow your own route, with real-time movement tracking.
• Track Run Mode & Smart Trajectory Correction: Provides accurate performance data and corrects trajectory based on lane choice.

Design Engineered for Action

• One-piece Metallic Middle Frame
• Stainless Steel Navigation Crown
• Large 1.43" HD AMOLED Display: Features anti-glare and anti-fingerprint coating.
• 200+ Watch Faces & Always-on Displays

Power that Goes the Distance

• Ultra-long 14-day Battery Life
• New Battery Saver Mode
• Battery Life Scenarios: Typical Usage: Up to 14 days
• Battery Saver Mode: Up to 24 days
• Clock Mode: Up to 50 days
• Heavy Usage: 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

Powerful & Accurate Health Technology

• BioTracker™ 4.0 PPG Biometric Sensor: Enhanced with 2LED for accurate heart rate tracking.
• 24H Health Monitoring: Includes heart rate, blood-oxygen saturation, and stress levels.
• Easy 24/7 Health Management: One-tap measurement for heart rate, blood-oxygen saturation, and stress level.
• Sleep Quality Monitoring: Includes sleep stages, daytime naps, and sleep breathing quality.

Luxurious Interaction with Zepp OS 2.0

• Adjustable Interface: Choose layout and color tone.
• Rich Mini App Ecosystem: Includes games, Baby Records, and more.
• Amazon Alexa Built-in: Set alarms, get translations, and more.
• Offline Voice Assistant: Command features without an internet connection.
• Answer Bluetooth Phone Calls: Receive and answer calls via Bluetooth.

Specs

Design

• Colors: Racetrack Grey (Nylon strap)
• Dimensions: 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
• Charging Duration: Approx. 2 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: Nylon Quick release
• Width: 22mm
• Min. & Max.: 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: For health and exercise data, watch face store, system updates, and smart device management.

Sports & Health 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 Monitoring: 24H Monitoring of heart rate, blood-oxygen saturation, stress level; Sleep Quality Monitoring; Health Assessment System (PAI); Menstrual Cycle Tracking
• Health Reminders: Abnormally high & low heart rate, Low blood-oxygen, High stress level, Prompts to perform Breathing Exercise