[ Cool and Colorful Channel Lights ]: Built in 4 sets of channels for simultaneous use, each channel corresponds to a different color indicator light/one click switch [ Long Battery Life ]: This 2.4G wireless guitar transmitter and receiver system has a large capacity battery that can be used continuously for up to 8 hours. It is equipped with a C-type dual head charging cable, which can charge both the transmitter and receiver simultaneously. It only takes 2 hours to fully charge. [ High definition sound quality ]: This system has 2.4G high-definition sound quality and 48K/16bit concert grade audio, providing full digital, anti high-frequency interference, and high-definition audio transmission. It ensures pure and authentic sound quality, making your performance sound the best. [ Flexible and Convenient ]: This system is easy to use with different guitars and various instruments. It doesn't require pairing - just switch to the same channel on both the transmitter and receiver. [Remote Transmission]: This system provides a transmission distance of up to 40 meters, and can even transmit through walls up to 20 meters away. It is completely unrestricted by wired connections, allowing you to move freely . Multi functional and compatible: The system has 4 channels to choose from and can support 4 devices simultaneously, making it very versatile. It has a 6.35mm audio plug, compatible with all 6.35mm jack appliances. The true gold plating technology ensures continuous, stable, and high fidelity transmission. It is suitable for various electronic instruments, including electric guitars, electronic drums, electric bass, electronic , digital pianos, synthesizers, etc. Color: Black Material: ABS Package Contents: 1 set * 2.4G Guitar Wireless System Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.