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CONTEC Baby Echo Ultrasound Monitoring Device Doppler Fetal Heart Rate Detector Product Description Pocket Fetal Doppler is a hand-held fetal heart rate detecting device adopted Doppler theory. It displays feta...
Contec LCD Screen Portable Pulse Oximeter Portable Pocket Fetal Heart Rate Doppler Display Mode LED display 0.96" Dual-color OLED display (blue and yellow) Power Supply 1.5V (AAA ......