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fetal doppler  (BF-500+) | | |
 Product Feature | | BF-500+ is pocket and convenient fetal heart rate detector with highly sensitive probe, LCD display, earphone jack and 9.6v rechargeable battery. Use to detect the 12-week pregnancy at home. Probe replace conveniently. | | | |
| Product Specifications | Weight: 250gram
Power: 9.6v rechargeabel battery
Probe frequency: 2.5MHz
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