Turn any pair of dynamic microphones with XLR connections into wireless microphones using the Xvive U3D wireless microphone system. Utilizing the 2.4GHz wireless band, the U3D transmitter/receiver pairs are approved for use in North and South America, Europe, Asia and Australia. With their high dynamic range and wide frequency response, you're assured high-quality audio. Plus, with five hours of battery life and up to 90' of wireless range, the U3D wireless system is ideal for a wide range of applications, from music performances to public speaking and lectures.