- Triple Fetal Heart Rate (FHR) authentication, giving the user alternative interactive options for confirming the truest heartbeat readout
- Large clear LCD screen displaying your baby's heart rate, the mode selected, the type of probe, a battery level indicator and whether BabySonic is recording or playing
- Power button which puts BabySonic on stand-by, waiting for the probe to be put into position or allow you to select another mode. After 1-minute of no signal the BabySonic turns off
- Volume dial allows you adjust the sound to your needs
- Earphone socket can be connected to a PC or laptop for recording











