Our Guitar wireless system with standard 6.35mm plugs, adopts 2.4G ultra high frequency wireless technology, wTransmission distance up to 30 meters.perfect for party playing, instrument teaching, street performance, vocal concert. Built-in large rechargeable lithium battery, When fully , it can be used for 10 hours and has long-lasting battery life. PLUG AND THEN PLAY - Just push the switch of Transmitter and Receiver Up, and plug the Transmitter into Guitar, and plug the Receiver into Speaker, it starts working immediately. Plugs can be 220°freely rotated and easy to plug in any angle of equipments. Suits for most popular Electronic music instruments such as guitars, bass, piano, violin, windsynth, drum and keyboard . 16-bit/48KHz audio broadcasting, and 10Hz-22kHz full frequency response for more stable and more clear signal transmission. PORTABLE CARRY & WIDELY USE - Concise, stylish design. Its compact size is convenient to wireless audio playing at anywhere, anytime. Supplied three extra free 6.5mm converter head to widely compatible with small speaker, computer, and mp3 . Colour:Black Material:Plastic+Metal Package Contents: 1 * Receiver 2 * Transmitter 3 * 6.5mm adapter 1 * USB charging cable 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.