Contec medical

sonotrax handheld Doppler can meet routine examination requirement of obstetricians, midwives, and pregnant women. It has manual mode heart rate processing mode. It has audio output, and can connect with earphone or recorder with audio input. Sonotrax has a slim, power saving and interchangeable ultrasound probe.
Feature:
Easy to use
Auto and manual counting
Built-in speaker
Automatic switch-off
Battery energy indication
Function:
Detection: Speaker output/Earphone output , Manual mode, continuous operation time≥15hours