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