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