Angelsounds Doppler Fetal Heart Beat Monitor Listener

Place on 16 weeks and above pregnant mother' s belly, you can hear fetal' s heart beat, movements and hiccups to learn it's healthy condition
Save fetal' s sounds to computer or cassette via recording cable
Use it with or without gel, both baby oil and olive oil are also perfect for it
Also good for detecting normal people' s heart beat
Passed CE certificate.
Descriptions:
Ultrasonic frequency: 3.3MHz ± 3%
Ultrasonic output intensity: