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Features: High-quality wireless audio transmission system(transmitter + receiver) for guitar, bass and other instruments with 6.35mm audio jack. Built-in 4 channels, frequencies raging from 5.729G to 5.820G for convenient and stable signal transmission without interruption. 24bit/48kHz high resolution audio signal and less than 6ms low delay time; supports mute function. Transmitter and receiver have built-in large capacity rechargeable battery, lower power consumption and longer work time. Multi ways charging, 5V USB charging or charge power connecting the transmitter with the receiver through magnet connector.