SYARA REV69-ER140- T900 Ultra Big Smartwatch with 2.09" (49mm) Infinite Display Smartwatch  (MULTICOLOR Strap, Free)

Operating System: Android 5.0 & above; IOS 9.0 & above; ??How to activate Bluetooth Calling?- To enable Bluetooth Calling Function ??1.99 inch LCD Full Touch? - Full Touch Screen smartwatch with big display of 1.99 Inches Size, Full Metal Body. ??Physical Training?- Enter the fitness training menu, there are a total of 11 modes to choose from: 1. running, 2. skipping, 3. sit-up, 4. table tennis, 5. basket ball, 6. badminton 7. mountain climbing, 8. riding, 9. tennis, 10. walking, 11. volleyball exercise time and calorie data ??Health Tracking? - The Full Touch Smartwatch has 24*7 Heart Rate Tracking and also tracks your real time Blood Oxygen Spo2, Sleep Tracking, ECG ??Bluetooth Calling Smart Watch?- Smartwatch is enabled with 'Bluetooth Calling Function'. You can receive and make calls directly from your watch.