brand：Study of cable

Model：JF-356

Product features：
1.2.4G high fidelity perfect sound quality, clear voice, loud.
2 microphone transmitter laser set instructions, PPT page, wireless microphone and music player remote control function four.
3 transmitter can mute the speakers external input audio signal. (see specific configuration function)
4 external audio and microphone audio separately adjust, microphone by launch adjustment, external audio by the speaker volume button adjustment.
5.GFSK digital modulation / demodulation
6 20Hz ~ 20KHz frequency response
7 90dB audio dynamic range
8 work in the 2.4GHz ISM band, 20 working frequency points
9 -85dBm receiver sensitivity, 45dB adjacent channel rejection, 30dB image rejection
10 effective reception distance of 20 meters
Product description:

    1, the speaker volume, connect the speaker power to flip receiver plugged into the computer USB port.
2, at a distance of one meter and the sound receiver page within three meters of open emitter power switch, automatic frequency of transmitter and receiver, the frequency after the success of the indicator light is blue light flashes slowly, can adjust the speaker volume to the appropriate location.
3, under normal use, the transmitter sound suddenly reduced, or can not be turned on, when the transmitter power is insufficient, please charge in time.