UHF transmission technology has high sound quality restoration,The signal is stable, no lag or packet loss, strong anti-interference ability, bringing you a perfect entertainment experience No sense of delay,Enjoy wireless fun,The delay is less than 2MS, the response is faster, and the transmission is smoother. the constraints of wires and use it more conveniently. Mini design,More convenient to carry,Small size, foldable plug, more convenient to store Battery indicator light to check battery power at any time,Double-click the button to check the power level through the power indicator to avoid being unable to use the product due to lack of power Channel:10 channel Acceptance sensitivity:Less than -110dBm@20dBSINAD Signal-to-noise ratio: 85dB System frequency response:20-20KHz Delay:Less than 2ms Distortion:Less than 0.05% Transmission distance:30-50m Full working time:5hours(depending on the environment) The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:ABS Package Contents: 1set * Guitar Wireless Transmitter 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.