This is a narrow pulse nanosecond transmitting a wireless signal technology is ideal for high-speed, short-distance wireless personal communications, It has a very strong ability of anti-multi path interference, especially suitable for indoor complex environment to ensure high sensitivity pickup to provide users with highly reliable wireless transmission environment. Low-power, low-cost, high reliability.

Smart Sound Monitor function, a radius of 500 meters listener, pickup 100 square meters, 48 hours long standby, the situation is different neighborhoods as the building up to a distance of different, depending on the actual situation of concrete support work while charging, support external audio listening, wireless audio monitoring, intelligent recording monitor.

How to use:

Normal listening mode
First, it is determined in transmitting and receiving the normal case, the transmitter switch toggle to ON, the lamp is lit on the machine, the transmitter has entered into normal transmit signal state, and then opened receiver knob switch receiver indicator lights the receiver can clearly listening to the voice of the transmitter collected. Equipped with headphones listens better.

Voice-activated listening mode
First, it is determined in transmitting and receiving the normal case, the transmitter switch toggle to voice listening mode, the indicator lights on the machine, the transmitter has transmit signal enters a wait state, and then the receiver knob switch is open, the receiver directions lights, when the emitter surrounding sounds greater than 60 decibels, the transmitter will enter the state of the transmission signal, the receiver can now clear listening to the voice of the transmitter collected. Equipped with headphones listens better;

Recording listener mode
First, the TF card is inserted into the receiver card slot, and then open the transmit and receive switch, the received signal in the normal case, click the Record button on the receiver starts recording, the recording indicator starts flashing slowly. After the completion of the recording, short press the stop button automatically save the recording file.

Recording playback mode
Switch to turn the knob of the receiver, and the normal standby state, press the play button, the machine will automatically play the last paragraph of the audio file. Long three seconds, press the play button to delete the recordings. In the previous paragraph and the next paragraph to choose the operation.

MP3 playback mode
Open receiver, into the normal standby state, long press MP3 switch button, the machine will automatically according to the order of play MP3.