Clear Quality Signal Transmission-2.4GHz band is optimal for guitar wireless system,low noise,low latency(less than 5mS), no interference, over 20 meters transmission distance.<br> High Compatibility-The plugs can be rotated for 220 degrees, compatible for most electric guitars, bass, acoustic guitars and other digital music instruments, the device are approved for worldwide use.<br> Easy to Pair-Turn on the transmitter and the receiver, press the pairing button of the receiver,then press the pairing button of the transmitter for more than 2 seconds,then they're paired successfully.<br> -friendly-The double-sided USB cable can charge the transmitter and receiver simultaneously,easy to switchover between the 4 signal channels.<br> Long Battery Life-Built-in battery with over 8 battery life fully , enough to enjoy the wireless world in your .<br> <br> Material:ABS+Metal<br> colour:Black<br> <br> Package Contents:<br> 1 * Transmitter<br> 1 * Receiver<br> 1 * USB cable<br> <br> Only the above package content, other products are not included.<br> Note: Light 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.