Amazfit GTR Titanium Smartwatch (Grey Strap, 47mm)

YesBioTracker TM PPG Bio-Tracking Optical Sensor, 6-Axis Accelerometer, 3 Axial Geomagnetic Sensor, Air Pressure Sensor, Capacitive Sensor, Ambient Light Brightness Sensor454x454 pixelsAMOLEDUp to 24 daysBlackAndroid, iPhonesWeather, Music, Event Reminder, Looking for a mobile phone, Stopwatch, Countdown