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