24-hour heart rate monitoring: Real-time heart rate monitoring in 24 hours once set up, you will be notified when your heart rate is abnormal, too fast or too slow, or when your heartbeat is irregular. Blood Pressure and Oxygen Monitoring: A new live monitoring method, you can measure blood pressure and blood oxygen data directly on the watch without connecting an app, so you can understand your body changes anytime, anywhere. Waterproof: IP67 Rated waterproof watch, you don't have to worry about getting into the water during daily use. You can enjoy exercise without worrying about sweat or water damage. Professional Microphone: Integrated with intelligent IC effectively filters background noise to make the voice clear and prominent. Bluetooth Calls: Allows you to answer calls and dial directly on your smartwatch through a Bluetooth connection. You'll never miss an important call or message during a meeting or training session. Bluetooth Call Support: Equipped with a high-sensitivity microphone, independent high-fidelity audio and call quality. Provide super convenient calling experience, ringtone reminder, no missed calls, and hands-free. Live Heart Rate Monitoring: Easily monitor your health and fitness live. Or get alert notifications when something abnormal is detected. Product size: circumference 260mm, dial diameter 45.5mm. Parameter introduction: display screen 1.28 inches, resolution 240px * 240px, full screen touch, battery capacity 200mah, compatible platform Android 4.4 or ios8.8 or above, Additional features: step counting, mobile positioning, social entertainment, smart reminders, health monitoring, sleep points, Packing list: host + manual + charging cable