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WH-500-Product details
Receiving Frequency : 85108MHz
Transmission Frequency: F1: 85.5MHz / F2: 86MHz
Frequency Response: 20-20,000HzSensitivity(S.P.L): 105dB  3dB/mW(at 1KHz)
Power Supply:
- Headphone: DC 3V (2x1.5V AAA batteries)
- Transmitter: DC 3V (2x1.5V AAA batteries)
Signal/Noise Ratio: >60dB
Maximum Operation Distance: 10m, 360
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