The HI.bebe brand belongs to South Korea's Bistos Group, Bistos is a professional obstetric and neonatal medical equipment manufacturer in South Korea, and its products have passed FDA and CE certification, focusing on the research and development of medical equipment in the field of ultrasound and optics for a long time. BT-250 Doppler fetal heart rate instrument adopts a stable and reliable all-digital way to collect signals, which can detect the fetal heart rate in early pregnancy as early as possible, no matter what the state of pregnant women, even obesity can be easily detected, Haibeibei is one of the most trusted brands in the field of fetal heart rate in China.