Smartwatch is enabled with 'Bluetooth Calling Function'. You can receive and make calls directly from your watch. This BT Calling smartwatch features a dial pad, an option to access recent calls, messages, Whatsapp, and other notifications & sync your phone’s contacts easily.T800 Series 8 Ultra Smart Watch HD in eye-catching Black color, available for purchase on Amazon.in. Experience the future of wearable technology with this feature-packed smartwatch.The Full Touch Smartwatch has 24*7 Heart Rate Tracking and also tracks your real-time Blood Oxygen Spo2, Sleep Tracking, and ECG.Operating System: Android 5.0 & above; IOS 9.0 & above; Color Name: Orange; Compatible Devices: Smartphone & iphone; Connectivity Technology: Wireless; Band Color: Orange ?IP68 waterproof?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