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Description
1. Distance:< =10M
2. Version: V4.2
3. Charging Voltage: DC5V
4. Working Voltage: DC3.7V-42V
5. Battery Capacity: 45mAh
6. Frequency Range: 20Hz-20KHz
7. Speaker Impedance: 32ohm+/-10%
8. Loud Speaker Size: diameter 10mm
9. Rated Power: 2mW
10. Sensitivity:102+/-3dB
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2. Version: V4.2
3. Charging Voltage: DC5V
4. Working Voltage: DC3.7V-42V
5. Battery Capacity: 45mAh
6. Frequency Range: 20Hz-20KHz
7. Speaker Impedance: 32ohm+/-10%
8. Loud Speaker Size: diameter 10mm
9. Rated Power: 2mW
10. Sensitivity:102+/-3dB