Features 1、Electric guitar wireless system, uncompressed signal transmission, effective range is about 50meter (164 feet), stable signal, delay &lt;4ms, high frequency response range from 20‑20KHz, to provide you with clear and lossless high sound quality. Through the adapter cable, you can transfer the signal received by the receiver to a computer, tablet or mobile phone. In this way, you can record the sound of the previous instrument or share via the Internet 2、The universal wireless transmitter and receiver for electroacoustic musical instruments can free you from the shackles of using cables, and you can roam freely on the stage to obtain true dynamic performance 3、48K 24bit sampling, spanning the frequency range of 20 Hz to 20 kHz, taking into account your performance, will capture and transmit with greatest fidelity, thus providing you with extraordinary audio clarity 4、During use, please make sure that the transmitter and receiver are kept away from the wireless router or other wireless devices. Eliminate the interference of the surrounding magnetic field. Connect the four 3.5 plugs to a mobile phone or other recording equipment and turn on the recording function, you can get good‑quality recording effects 5、Select the working frequency band. Generally, when using two or more pairs in the same environment, you need to select different frequency bands, press the IPAIR button, and pay attention to the number of times the ID indicator flashes. If flashes once, means it is adjusted to the first channel, flashes twice means to tune to the second channel, this product has a total of four frequency bands available, that is, 4 systems can be used at the same time Specification Item Type: Wireless Guitar System Material: ABS Wireless Power: 10mW Sampling: 48K 24bit Distortion: <0.05% Sound Delay: <1ms Transmission Distance: > Approx. 50meter / 164ft Response Range: 20Hz-20KHz Signal to Noise Channel: 90dB Battery Type: Built-in rechargeable lithium battery Battery Capacity: 560mAH How to Use: 1. Long press the transmitter power button for 1 second, the ID indicator lights up, and the transmitter turns on. In the power-on state, press and hold the power button for 1 second to shut down. 2. Long press the receiver power button for 1 second, the ID indicator lights up, the receiver is turned on, paired and connected, and when it is turned on, press and hold the power button for 1 second to shut down. Size(LxW): Approx. 95 x 38mm / 3.7 x 1.5in Package List 1 x Wireless Receiver 1 x Wireless Transmitter 1 x USB Cable 1 x User Manual