Superior Sound : Experience high fidelity audio with our 2.4G wireless in-ear monitor system, perfect for both studio recordings and live performances. Effortless Automatic Pairing: Our system ensures a hassle-free setup with automatic pairing between the transmitter and receiver, allowing you to focus on your performance. Versatile Use: Designed for professional musicians and performers, this in-ear monitoring system is ideal for concerts, church , and other live events. Extended Range: Enjoy the freedom to move around with an extensive range that does not compromise on sound . Usage 1.Connect the Transmitter to the sound of the mobile phone / sound card / reverberator with an audio cable Output device 2 . Add Receiver : Turn on Transmitter / Receiverpower , fast double-click Receiver pairing key ( P),A long green receiver light indicates successful pairing 3 . Sound mode According to line input and instrument selection. Mono ( M ): Guitar , bass and other mono equipment( Fit for the ) Stereo ( S ): Mobile phones , sound cards and otherstereo devices ( Suitable for listening to music ) Wireless band: 2.4GHZ Effective distance:80 ft outdoors/40 ft through the wall Delay:8ms Lithium battery: 500mah :-98db Dynamic range: 105db Frequency response: 20~20khz, +1db/-3db Due to different batches, there may be differences in product printed text, which will not affect use Colour:Black Material:ABS Package Contents: 1 x Transmitter 1 x Receiver 1 x Audio cable 1 x 6.35 Conversion 1 x Charging cable Only the above package content, other products are not included.