Generic Wgv-601 Electric Guitar Bass Wireless System Amplifier Audio Transmission Transmitter Receiver Kit Audio transmission kit for electric guitar Transmission distance of 30 meters, without the interference of external signals Comes with 2 audio connecting cables (3.5mm to 6.3mm & 6.3mm to 6.3mm), easy to use with guitar, bass, etc. LED power indicator for working status and low battery warning.