Dopplers

Those will not help you to listen to your baby’s heartbeat

None, they’re fake. You’ll have to get a real doppler to hear baby. Cell phones don’t put out the ultrasound technology that a doppler uses.

Thanks ladies. Could you recommend a doppler brand to buy?

Those are ALL scams

A phone’s microphone isn’t sensitive enough to pick up a baby’s heartbeat. They’re usually all pre-recorded