This product is a device specially developed for wireless connection of electric guitars. This wireless device has low noise, low latency, high-quality sampling rate (48KHz), and long effective transmission distance. The wireless device has a built-in 600mAh lithium battery. A special USB charging cable is provided. Please ensure the device is turned off when charging. Turn off the device when not in use to prevent continuous power consumption. When connecting or disconnecting the wireless device from guitar speakers and other equipment, be sure to turn off the power and related devices to help avoid malfunctions. This device broadcasts in the 760MHz frequency band, effectively avoiding interference from television stations, public broadcasting, cell phone towers, and other high-power signals. Product parameters: - Sampling rate: 24bit/48KHz compressed data transmission - Delay: Less than 12ms - Effective range: 30 meters outdoor transmission - Distortion: Less than 0.03% - Dynamic range: 100dB - Frequency of use: U band - Frequency response: 20-20KHz, +1dB/-3dB - 280-degree rotatable joint, compatible with most electronic speakers - Supports 6 groups of devices operating simultaneously - 600mAh lithium battery capacity, USB charging interface, up to 4 hours of battery life - Material: ABS - Color: Black Package Contents: 1 x Transmitter 1 x Receiver Note: The package includes only the items listed above. Other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3cm.