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blow easily
40HQ: 1417 cartons * 100 pcs = 141700 pcs
Mainly made of PC and silicone
40 mm rubidium magnet speakers
RZ-100S9 LED Fetal Doppler Ultrasound Sound Baby Heartbeat Detector Monitor Digital Prenatal Pocket Fetal Doppler Stethoscope, RZ-100S9 Option:RZ-100S9 blow easilyFeature 1. Battery status indicator 2. Low power inspection of the battery 3. Built in speaker 4. The probe can be changeable 5. Probe inspection 6. Auto shut off 7. Can adjust the volume level Specification 1. Product Name: RZ 100S9 2. Safety: in accordance with IEC60601 1: EC60601 2, EC60601 3. 3. FHR measurement range: 50~240BPM (beats per minute) 4. Resolution: 1 BPM 5. Accuracy: + 1BPM 6. Power: 2 AA batteries (not included) 7. Size: 130x100x36mm
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