Features: 1. UHF PLL guitar wireless system is developed to eliminate cables, replace the cable between your electric guitar or bass and your on stage amplifier or PA mixer, providing unparalleled freedom of movement. 2. UHF is much less interference than VHF. For more stable and reliable signal transmission. 3. Noise locked and pilot tone locked technology on receiver. 4. With IR/ACT technology. 5. Audio frequency response expand and auto electricty level control ciucuit. 6. With anti-interference from mobile. 7. The LCD of receiver indicate battery life of each transmitter. You can replace the battery for better performance. 8. The transmitter provide significantly improved wireless reception and sound quality. 9. With PLL combined technology, 32 Channels Frequency adjustable. Allow you use multi-frequency point at the same time but not interfere each other. 10. You need to prepare AAA for transmitter and AA battery for receiver. These battery are not included. Specification: Receiver 1. Frequency Range: 500-980MHz 2. Adopt CPU control 3. Sensitivity: 3uV 30dB S/N 4. T.H.D: below 0.5%@1KHz 5. Frequency Response: 40Hz-18KHz 6. Power Supply: 2xAA battery(Not included) or DC3V 450mA Transmitter 1. Frequency Range: 500-980MHz 2. Max Modulation: ±45KHz 3. RF Output Power: 6mW 4. Power Supply: 1xAAA battery(Not included) 5. Working Time: 6-8hours Package Include: 1 x Receiver 1 x Transmitter 1 x Adapter 1 x 6.35mm Audio Cable 1 x Holder 1 x User Manual 1 x Carrying Box