Product The Diabetic Watch Blood Glucose Monitor features an optical heart rate sensor for 24-hour high-precision heart rate monitoring. Equipped with a built-in blood glucose detection chip, it allows users to monitor their blood glucose levels directly from their wrist. Advanced PPG bio-tracking optical sensors enable additional functions such as blood oxygen, blood pressure, temperature testing, step counting, distance, calories, sleep monitoring, and more. All-day monitoring ensures users can keep track of their body indicators conveniently. The watch has a long battery life thanks to its low-power chip and intelligent power-saving algorithms, providing up to 15 days of standby time with light use and 10 days with heavy use. Compatible with Android 4.4 and IOS 8.0 and above smartphones. Color: Black Material: Metal Package Contents: 1 x Watch Note: Only the items listed in the package contents are included other products are not included. Please note that light reflections and differences in monitor settings may cause slight variations in the color of the actual item. Measurement tolerance is approximately 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store