It's an ULTRASONIC microphone so we can hear the baby's heartbeat.
Meaning and definitions of ultrasonic, translation in Mongolian language for ultrasonic with similar and opposite words. Also find spoken pronunciation of ultrasonic in Mongolian and in English language.
What ultrasonic means in Mongolian, ultrasonic meaning in Mongolian, ultrasonic definition, examples and pronunciation of ultrasonic in Mongolian language.