2.4G wireless headphone headset earphone

2.4G wireless headphone headset earphone
2.4G wireless headset 2.4Ghz wireless earphone PC earphone
Specification
Transmitter
Working Frequency:2404MHz~2472MHz
Power Supply/:DC 5V
Transmitting Distance: Approx. 80m
Operating Current: 50mA
Transmit Power: =7dBM
Receiver
Working Frequency:2404MHz-2472MHz
Power Supply:DC 3V(two 1.5V batteries)
Operating Current: 35mA
Frequency Response: 70Hz - 10KHz
S/N Ratio: =32dB
Non-linear Distortion: =1%
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2.4G wireless headphone headset earphone