Item Type: Guitar Wireless System <br>Frequency Range: UHF <br>Frequency Broadband: 20Hz-20kHz <br>Transmission Delay: Less than 4 milliseconds <br>Bluetooth Version: 5.0 Bluetooth <br>Charging Port: Micro USB <br>|Charging Time: 2h <br>Use Time: 4h <br>Material: Electronics + plastic + brass <br>Battery: 400mah lithium battery <br>1、With bass adjustment function and treble adjustment function, you can adjust the treble and bass according to your own preferences. <br>2、Built-in Bluetooth system, you can play with the transmitter and receiver, or play music through Bluetooth, which is more convenient for practice. <br>3、Can be used for electric guitars, electric basses, electronic organs, folk guitars with pickups, ukuleles, etc. <br>4、With reverberation delay effect function, it can give you a different listening experience. <br>5、Small size, easy to carry and store, convenient to use and with good performance.<p>1 x Transmitter</p><p>1 x Receiver</p><p>1 x Data Line</p><p>1 x User Manual&nbsp;</p>