Simply take it out of the case, plug in the U2, turn on the power, and tune the channel for immediate use! Enjoy wireless freedom anywhere. With the U2, you're free from cables! Not only will your live performances improve, but you won't have to worry about cables getting in the way during practice at home. Go where you want to go! U2 Digital Wireless System High-quality sound, lightweight, and compact design. 4 channels allow for simultaneous use of multiple units. *1 ------------------------------------------------- Just plug the receiver into your amp and the transmitter into the jack of your guitar or bass. Super easy wireless! Includes 1 receiver and 1 transmitter each. *1 When using multiple units, to avoid interference, keep a distance of 1.5m to 2m or more between your transmitter and the other person's receiver. * Noise may occur when using "U2" with some instruments that have a built-in battery-powered preamp. This noise is caused by the proximity of the "U2" to the built-in preamp and battery, and depending on the instrument's structure, it may not function properly. ------------------------------------------------- ■Controls: 24bit/48kHz uncompressed digital transfer ■Maximum transmission distance: Approximately 30m *The actual transmission distance may vary depending on the environment, such as radio wave reflection, interference, and absorption. ■Operating time: Approximately 5 hours ■Battery: Lithium-ion polymer battery Charging time: Approximately 1.5 hours ■Latency: Less than 6ms ■Frequency response: 20〜20kHz, +1dB/-3dB ■Operating frequency band: 2.4GHz ISM worldwide ■Operating temperature: -10〜50℃ ■Other: USB charging cable included ■Weight: Approximately 42g (transmitter) / Approximately 39g (receiver) Thank you for viewing.