Item Type: Electric Guitar Wireless Transmitter Receiver Material: ABS, Metal Battery: 701535 Polymer Lithium Battery x 2, Capacity: 350mAh ( Shipped With Built In Battery ) Package List 1 x Transmitter 1 x Receiver 1 x USB Cable 1 x Manual 1Wireless Transmission: This electric guitar wireless transmitter and receiver utilizes wireless transmission technology, freeing you from the constraints of using a wired connection. It enables excellent sound transmission, allowing you to move around and perform freely. 2Rechargeable Design: This wireless transmitter and receiver features a rechargeable design that eliminates the need for frequent battery replacements and can be recharged via USB to provide long hours of use. 3Multiple Channel Selection: This wireless transmitter and receiver features multiple channels to choose from to avoid interference and signal jamming. You can switch between channels as needed for optimal sound quality and stability. 4Easy Operation: This wireless transmitter and receiver is very easy to set up and operate. It features simple buttons and a control panel that allows you to easily adjust sound settings and channel selection. 5Wide Compatibility: This electric guitar wireless transmitter and receiver is compatible with most electric guitars and sound equipment. Whether you are a professional musician or an amateur, it can provide you with reliable and excellent sound transmission.