Dual Wirelee Microphone System for Teaching/ Interview/ Recording, 2 Wireless Transmitters & 1 Portable Receiver & 5 Microphones What is inside in this value wireless microphones kit? This wireless microphone set includes most of the accessories you need for recording and amplification. 2 transmitters in the package, which can be used by two people at the same time or used by one person. 3 different microphones (5 microphones in total) to meet different usage scenarios. What you will receive: 2 bodypack wireless transmitters, 1 portable wireless receiver; 3 adapters (2 TRS adapters, 1 TRRS adapter); 3 different kinds of microphones (2 headset mics, 1 short-line mic, 2 lavalier mics); 1 camera shoe, 2 windproof furry windscreens, 1 3-in-1 USB charging cable. How to pair the dual wireless microphone system? Short press the "POWER" button on the portable receiver, the light "BAT." will turn blue.Turn on transmitter B (CHB/ XMTR B) first, and there will display the text on the screen. Then the light "RF/AF" on the receiver will keep blue, and transmitter B pair with the receiver.Turn on transmitter A (CHA/ XMTR A) after the transmitter B is paired, and there will display the text on the screen. Then the light "RF/AF" on the receiver will turn green and keep green, and transmitter B pair with the receiver. Why the transmitter or receiver can't hold a charge? Please check if the wireless transmitter and wireless receiver could be charged normally.Typically, if the charging time is too long (charging overnight is too long, fully charging needs 2-3 Hours normally), it will shorten the battery life.Please note when the receiver appears red light or the transmitter battery symbol flashes, it is necessary to turn off the receiver or transmitter power and timely charge.Please contact the seller for more detailed help if there is any question about the battery of your microphone system. Why I can't hear from the device? After the recording is completed, please unplug the receiver, and then play the recorded audio, you will hear your voice;Because the microphone will occupy the speaker of the device, you cannot hear the recording when the receiver is plugged in;For the same reason, this microphone system cannot be used directly for video conversations or online meetings;If unplugging the transmitter, you still can't hear your voice, please contact the seller for more detailed help. Why the sound is small? What can I do? Please make sure that the product is successfully paired and can record normally.Please make sure if all the 3 microphones have low volume or just part mic.Please try to adjust the volume of the microphone transmitter. There are a total of 21 sets of volume (U000-U020), which can be adjusted by short pressing the right or left button.Please try to adjust the volume of the speaker.If the above methods cannot solve the problem, please contact the seller. How to use the dual wireless microphone system? Why the transmitter or receiver can't hold a charge? Why I can't hear from the device? How to adjust the volume level of the dual wireless microphone system?