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