T-rex outdoor sports smart watch

Product parameterSize: 47.7 X 47.7 X 13.5mm (bottom case to screen)Weight (including strap): 58gWaterproof rating: 5ATM, support swimmingScreen: 1.3 inches AMOLED screen, resolution 360X360Touch screen: Corning Gorilla 3rd generation tempered glassSensor: BioTrackerTM PPG biological tracking optical sensor3-axis acceleration sensor, geomagnetic sensor, ambient light sensor.Positioning "GPS + GL _ONASSConnection: Bluetooth 5.0 BL .EBattery: 390mAh L iPoCharging method: magneticTheoretical charging time: about 2 hours"Endurance" daily use mode: 20 daysRaise your wrist to look at the time 30 times,Other operations are 5 minutes; exercise 3 times a week, and run GPS for 30 minutes each time.Basic watch mode: Turn off Bluetooth, heart rate and other functions for 66 days, and raise your hand to brighten the screen 100 times a day. GPS continuous working time: 20 hours battery life depends on usage, settings and otherMany factors may vary, and actual results may vary.Table body material: polymer materialSupport devices: Android5.0 and above, iOS10.0 and above