Main Features:
The Fetal Doppler takes the principal of fetal ultrasound to collect the fetal heart beat signals of fetus
With strong ability of processing fetal heart signals and zero radiation
Double channel socket design enables it to provide synchronous audio output signals, accessible for headphones or recording devices
Audio signals can be transmitted to another recording device through attached recording cables
High sensitive ultasound probe can detect movement sounds of fetal cardiovascular at 16th week of gestation
Unique manufacturing technology is adopted to generate clear fetal heart sound by minimizing ultrasound noise
Listen or record baby’s heartbeats
Lightweight and portable
Safe and very easy to use
Based on ultrasound technology

Parameter:
Operating frequency: 3.0 MHz±10%
Comprehensive sensitivity: Not less than 90 db
Space peak negative pressure or less 1 MPa
Output power: < 20 mw/cm²
Power supply: DC 9V battery