Fetal heart rate monitor Pregnant woman fetus fetal sound heart rate

Description: 1. Reliably detect fetal heart rate through (fetal heart rate) LCD display and color LED display, and collect fetal heart rate signals during pregnancy 2. High-sensitivity probe, low ultrasonic power, safer for the fetus Built-in speaker and audio output, you can share your happiness with your lover, family and friends - healthy and strong heartbeat 3. Auto power off: automatically turns off after 1 minute of inactivity 4. How to use: Before first use, make sure you have 2 batteries. Press the button to turn on, and then adjust the volume.