B-3 PLUS uses NUX's newest 2.4GHz wireless algorithm to your XLR dynamic microphone. Plug TX to your mic, RX to PA system, and you are good to play. The auto paired with 6 channels scanning can avoid Wi-Fi interference and make it simple to use! Plug it, turn it on, B-3 PLUS makes it easy to everyone to embrace great wireless microphone sound. Buskers, singers, or speakers who use the microphone to communicate with audiences, wireless offers you the freedom of unrestricted movement. No wires at all and no costly batteries required as it is fully rechargeable. With the B-3 PLUS, you won't go wrong for the revolution of wireless experience. You'll never want to go back to the mic cable again. The distance range limit is 100-feet outdoor and the latency is less than 3.5ms. Hi-Resolution audio quality: 24-bit / 44.1 kHz. The distance range is quite enough for any kind of place, you can walk 60 feet away from the receiver and the signal will flow with no latency or a break. That's the recommended range of use. Long lasting built-in battery simply can be charged with USB cable which is included the package.
