Product name: 2.4G audio wireless ceiverProduct channel: 2.4GHz ISM bandSystem frequency response: 10Hz-22KHz 1dBEffective use distance: within 30 metersDistortion: Less than 0.02% Fully working time: 10HThe mission distance is up to 30 meters, the shackles of wires and play without stopping.The plug angle can be rotated 220 degrees to fit all electric guitars, including -style electric guitars with rockers.6.5/3.5MM dual plug is more compatibleElectric guitar, bass, electric blowpipe, electric violin, electric drum, electric guzheng and other electroacoustic instrumentsJust plug the mitter into an electric guitar/electric blowpipe/electronic keyboard and other electroacoustic instruments, and the receiver into a playback device such as a speaker.Colour:BlackMaterial:plastic Package Contents:1 x receiver1 x mitter 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.