This Shure GLXD14R Plus Wireless Lavalier System is perfect for presenters, public speakers, and anyone who needs a reliable audio setup. It comes with a rack - mount GLXD+ Dual Band receiver, a bodypack transmitter, and a lavalier mic (WL93). The dual - frequency operation (2.4GHz and 5.8GHz) ensures a stable connection. With removable antennas, you can adjust it according to your needs. The battery lasts around 12 hours, so you can use it throughout your event without worry.