NUX B2 works like a guitar cable, but it offers you freedom of playing guitar in the easiest way. In a 2.4 GHz range, far from any radio or TV interference, and it is more than capable of safely handling your audio signal wirelessly. 32-bit digital wireless sound quality and 48 kHz frequency response, so you’ll hear your guitar tone in all of its detailed glory, with a wide dynamic range of more than 110 dB, you’ll hear the full frequency range of your guitar or bass The Transmitter & Receiver both use built-in long-life batteries which can run for up to 20 hours (up to 6 hours of continuous playing time per charge) Guitar-friendly, Smart-Design Transmitter, means its jack has a swivel adjustment allowing you to duck the unit out of your playing field. Just plug in the 1/4” transmitter, and pair with the Receiver