Amazfit T-Rex 3 Smartwatch, 1.5" AMOLED Display, GPS, Offline Maps, BioTracker 6.0 PPG Biometric Sensor, 328 Feet Water-Resistant, 177 Sport Modes, AI, Voice Control, 48mm, Onyx | T-Rex 3

T-Rex 3 Specifications Design Dimensions (without heart rate base): 48.5 x 48.5 x 13.75 mm Weight (without strap): 68.3g Body Material: Stainless steel bezel, Polymer middle frame Buttons: 4 Water-resistance Grade: 10 ATM Diving Certification: EN13319, ISO 6425, GB/T 18828 for freediving to 45 meters Display Material: AMOLED Size: 1.5" Resolution: 480 x 480 PPI: 322 Touchscreen: Gorilla Glass Battery Capacity: 700 mAh (rated) Charging Method: Magnetic charging base Theoretical Charging Duration: Approx. 3 hours Typical Usage Battery Life: Up to 27 days Heavy Usage Battery Life: Up to 13 days Battery Saver Mode: Up to 40 days Clock Mode Battery Life: Up to 81 days Accurate GNSS Mode: Up to 42 hours Power Saving GNSS Mode: Up to 72 hours GNSS Long Battery Life Mode: Up to 114 hours GNSS Max Battery Life: Up to 180 hours Low Temp Mode (GNSS on): Up to 28 hours Low Temp Mode (GNSS off): Up to 32 days Sensors Health: BioTracker™ 6.0 PPG biometric sensor (supports blood-oxygen) Movement: Acceleration, Gyroscope, Geomagnetic, Barometric altimeter, Ambient light, Temperature sensors Positioning: Dual-band & 6 satellite positioning systems Connection WiFi 2.4GHz, Bluetooth 5.2, BLE Other Hardware Microphone: Supported Motor: Linear motor Strap Material: Liquid silicone Width: 22mm Wrist Size Range: 145mm–210mm Buckle: Classic pin buckle Packing List Smartwatch (including standard strap), magnetic charging base (no USB Type-C cable), instruction manual Supported Devices Android 7.0 and above, iOS 14.0 and above Application Zepp App Sports Features Sports Modes: 177 Smart Recognition: 25 strength training movements, 8 sports movements Template Creation: Training templates (via Zepp App), Interval training (via watch) Advanced Running Support: Track Run mode, Smart trajectory correction, Virtual pacer Connection to Peripheral Devices: Heart rate belt, Running power meter, Cycling power meter, Cycling speedometer, Cycling cadence meter Sports Coach: Zepp Coach™ Workout Status: PeakBeats™ Sync to 3rd Party Apps: Strava, adidas Running, komoot, Relive, Google Fit, Apple Health Sports Convenience: Live broadcast of sports data, turn directions, sports data stays on-screen, conditional pause Health Features Readiness Score & Insights 24H Monitoring: Heart rate, Blood-oxygen saturation, Stress level, Skin temperature Manual Measurement: Heart rate, Blood-oxygen, Stress, One-tap measurement Sleep Monitoring: Heart rate variability, Sleep stages (incl. REM), Daytime naps, Sleep schedule, Breathing quality, Sleep score Health Assessment System: PAI Breathing Exercises: Support, Breath-holding training & test (downloadable via Zepp App) Health Reminders: High/low heart rate, low blood-oxygen, high stress, stress-reducing breathing prompts, altitude blood-oxygen prompts Outdoor Features Positioning: Dual-Band, Single-Band, 6 Satellite Systems GNSS Modes: Accuracy, Automatic (power-saving), Power Saving, Long Battery Life (hiking & climbing), Max Battery Life (hiking