Amazfit GTR 2 1.39 inch 454*454 pixels 326PPI Full Touch Screen GPS bluetooth Call Heart Rate SpO2 Monitor 90 Sport Mode

Features 3D Curved Bezel less Design 1 39 HD Color AMOLED Display All round Health and Fitness Tracking 24 hour Heart Rate Monitoring Blood Oxygen Saturation Measurement Stress Level Monitor PAI Health Assessment System GPS GLONASS 90 Sports Modes bluetooth CallMusic Storage and Playback Ultra long Battery LifeFor more details about Amazfit smartwatch can check this official link support amazfit comSpecifications Specification Brand Amazfit Model GTR 2 Global Version Bluetooth Version BT 5 0 Operating Mode Full Touch Compatible OS Android 5 0 or above iOS 10 0 or above APP Name ZeppSpecial Features Information Reminder bluetooth Calling Reject Call Call Reminder Message Reminder Call ID DisplayHealth Heart Rate Monitor Blood Oxygen Monitor Sleep Monitor Sedentary Reminder Stress Level Monitor Huami PAI Health Assessment System Exercise and Record Multi sport Modes support 90 sports modes Pedometer Calories Distance Application Music Control Camera Control Weather Display Brightness Adjustment Auto Light up Screen Alarm Clock Stopwatch Calendar Multi DialsCustomize Watch Face GPS GLONASS Anti lostTechnical Parameters Waterproof 5ATM Sensor Heath Huami Self developed Bio Tracker TM 2 PPG Support Blood oxygen BiologicalData Sensor Movement Air Pressure Sensor Acceleration Sensor Gyroscope Sensor 3 axis GeomagneticSensor Ambient Light Sensor Connection bluetooth 5 0 WLAN 2 4GHz Screen Size 1 39 inch Type AMOLED Resolution 45