| FHR Measurement Range | 50-240 BPM |
| Ultrasonic Frequency | 3.0 Mhz |
| Display | LED |
| Battery | AAA*5 |
| Dimensions | 154*69*32(mm) |
| Performance | Battery Status FHR Value Volume |
| Measuring Mode | Real-Time |
| Function | Adjustable Volume |


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