NUX B-1 LITE is 2.4GHz wireless system that offers guitar players an easy solution to go wireless.the stable connection can offer great RF anti-interference ability. NUX makes the musical instruments for a singer-songwriter, hobbyist, weekend warrior or the next star to cultivate his/her passion. Colour:As Shown Material:plastic Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 * Transmitter 1 * Receiver 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.