1. Non-invasive blood sugar testing: High blood sugar can easily lead to high blood pressure, because high blood sugar can lead to blood sugar disorders, which can easily lead to vascular diseases. The Bluetooth smart watch has a built-in blood sugar monitoring chip, which can be worn on your wrist to keep track of your blood sugar levels. Warm reminder: The above data is for reference only and cannot replace medical care.2. Smart watches connect your life: Smart watches with call functions are equipped with high-quality speakers. You can directly use the smart watch to answer calls/play music/read messages/view call records. You can also receive notifications for incoming calls, text messages, etc. You won't miss any calls/messages during meetings or workouts.3. Health management & ECG recorder: Collect ECG anytime and anywhere, and can monitor atrial fibrillation, etc. When the heart rate is abnormal, the system records abnormal ECG signals and analyzes and diagnoses heart health; this fitness watch uses high-performance sensor monitors to provide 24-hour heart rate/blood pressure/blood oxygen/sleep monitoring. Real-time monitoring and accurate measurement.4. All-day activity tracking and IP67 waterproof: The activity tracker can record our daily steps, calories, distance and other data. It also provides 20 sports modes, including running, cycling, and fitness, to meet your sports needs. This fitness tracking watch has excellent IP67 water resistance, so you can wear it while washing your hands and swimming with confidence.5. Multifunctional and long-lasting battery: Other functions include finding your phone, all-day activity tracking, stopwatch, Bluetooth music, remote photography, weather forecast, alarm clock, incoming call reminder, etc. 280mAh large capacity. The charging time is about 2H and the usage time is about 4-7 days. Compatible with smartwatches iOS 8.0 / Android OS 4.4 or higher and Bluetooth 5.0 or higherSpecification Display: 1.39 inchesBattery capacity: 280 mAh Time: for 4-7 days Bluetooth version: 5.0 Charging time: 2 hours Waterproof: IP67Package includesSmart watch *1Magnetic charging cable *1User Instructions *1