On the app of the mobile phone, you can set smart notification and choose the option of not notifying.

Jiaming 235? Photoelectric heart rate meter:

Blood absorbs light. The LED light projected by the photoelectric watch we use is green, and the green light will be absorbed by hemoglobin. The faster the blood flow, the more absorption and the higher the absorption rate. Unabsorbed light will be reflected back and collected by the light source sensor of the watch. The photoelectric heart rate meter calculates the change of blood flow by the amount of these reflected lights, and then calculates the heart rate by the blood flow.

Sports health is an area that modern people pay more and more attention to. No matter how much money you earn and how good your life is, health comes first. For young people, sports health is also a fashion, not to mention a wealth of sports health equipment. It can be seen from the sales volume of e-commerce products, Baidu search index and the release frequency of new products from manufacturers that smart wearable devices are attracting more and more attention from users.

In addition to general exercise and fitness functions, users' needs for daily life detection (activity times, calories, target activity times, distance, sedentary reminder, sleep monitoring, etc.). ) is getting higher and higher, requiring professional equipment.