Fangrui Product Details 1) The Frequency Band Of The Uhf Wireless Guitar System Ranges From 630mhz To 680mhz, Allowing For More Channel Selection And Better Avoidance Of Audio Interference From 2.4ghz Digital Electronic Devices. High-quality The Components Of The Guitar Are Built With Wireless Transmitters And Receivers To Great Durability. This Wireless Instrument System Can Achieve Stable And Reliable Operation On A 165 Foot Wide Open Groundwireless Transmission. 2) High Compatibility - The Plug Can Rotate 75 Degrees And Is Compatible With Most Electric Guitars, Blowtube, And Other Digital Instruments. Large/small Dual Plug Mode, Meeting The Needs Of More Devices 3) Enable Device Automatic Pairing. 4) A Double-sided Usb Cable Can Charge Both The Transmitter And Receiver Simultaneously. 5) Long Battery Life - Built-in Battery, Fully , With A Battery Life Of 5 Hours For The Transmitter And 6 Hours For The Receiver, Enough To Enjoy The Wireless World During Performances. Colour:as Shown Material:plastic Package Contents: 1 * G