normal fetal heart rate
fetal heart rate at 6 weeks
fetal heart rate 150 bpm boy or girl
normal fetal heart rate

normal fetal heart rate

JSL-T501 Pink
Delivery:
FOB SHENZHEN
minimum order:
500 pieces
Supply Ability:
20000pieces / Day
Country of Origin:
China
Stock Time:
15-20Day
fetal heart rate
●LCD screen
●DC 3V (2 AA batteries)
●50 BPM-230 BPM Heart rate range
●±2 BPM Accuracy
●3.0 MHz Ultrasonic frequency
Quantity:
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