Item Type: Guitar Receiver Battery Type: Lithium ion Battery(built in) Battery Capacity: 650mAh Power Supply: USB Charging Package List 2 x Guitar Receivers 1 x USB Charging Cable 1 x User Manual 1Convenient Wireless Guitar System: Say goodbye to tangled cables and enjoy the convenience of wireless audio transmission with this guitar receiver. 2Enhanced Performance: With chips and materials, guitar receiver ensures excellent sound quality and reliable performance, allowing you to concentrate on your music without worrying about signal interference. 3Versatile Compatibility: Designed to work with most electric guitars, bass guitars, keyboards, and other instruments with pickups, this receiver is perfect for musicians of all genres and styles. 4Long Battery Life: The built in rechargeable lithium battery provides up to 6 hours of continuous use on a full charge, ensuring that you have enough power for your gigs or practice sessions. 5Easy Setup: Simply connect the transmitter to your instrument and the receiver to your amplifier or mixer, and you're ready to go. Enjoy the freedom of wireless performance without complicated setup processes.