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