The fetal heart rate monitor mainly uses ultrasonic detection technology to complete the fetal heart rate detection. Its function is to reflect the condition of the fetus in the mother by monitoring the fetal movement and fetal heart rate. Too fast or too slow fetal heart rate is a problematic performance. The mother can roughly judge the health of the fetus based on the data on the fetal heart rate. . The app provides online rental services for your fetus. You can submit rental information in the app. All products have passed the quality inspection of the professional team, and pregnant mothers can use it with confidence. At the same time, video teaching is used so that every pregnant mother can use the product effectively, and at the same time, you can share your thoughts and experiences.