Strong anti-interference ability, reproduce the original sound without distortion and clarity, and reduce background noise. The transmission distance of 30-50m gives you more freedom of movement and play anywhere. 635mm plug and play, just connect the transmitter to the guitar, the receiver to the sound output device, and then long press the start button, they will be paired immediately. indicator, easy to understand the current information, timely charging, -capacity battery, no longer have to worry about low eccentricity. Both the transmitter and receiver can be rotated, which is more convenient to use. Comes with a dual-head USB charging cable, which can charge the transmitter and receiver at the same time, which is convenient and time-saving Model: WS-70 Number of channels: 100 channels Receiving sensitivity: less than 110dbm @20dbsinad Signal to noise ratio more than 85dB System frequency response: 20~20KHz Delay: less than 2ms Distortion degree less than 005% Transmission distance: 30~50m Full working time: 5~6 hours (for reference only) Size: 8 x 29 x 3cm (for reference only) Colour: black + green Material: plastic Package Contents: 1 x Guitar wireless transmitter 1 x Guitar wireless receiver 1 x Dual head USB cable 1 x English manual 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.