Features: [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 10 hours. [HD sound quality]: The system has 2.4G HD sound quality and 48K/24bit concert-level audio, providing full digital, anti-high-frequency interference, high-definition audio transmission. It guarantees pure and authentic sound quality to make your performance sound the best. [Flexible and convenient]: The system has a 220 rotating head and is easy to use with different guitars and instruments. It does not require pairing, just switch to the same channel on the transmitter and receiver. [Long-distance transmission]: The system has a transmission distance of up to 30 meters and can even transmit through a wall 15 meters away. It is completely unrestricted by wired connections, allowing you to move freely on the stage. Specifications: Product name: Guitar wireless transmitter Transmission frequency band: 2.4Ghz ISM Sampling rate: 48K/24bit high-definition transmission Transmission distance: 30m feet outdoors, 15m through walls Frequency range: 20Hz-20kHz Transmission delay: less than 8ms Signal-to-noise ratio: -98dB Dynamic range: 90dB Rotation angle: 220 Battery capacity: 800mah Charging interface: type-c Charging time: 1.5hours Use time: 10 hours Color: Black Material: ABS Package Contents: 1 x Guitar Transmitter 1 x Guitar Receiver 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.