The QLXD4 Wireless Microphone System is a handheld/stand-held dynamic microphone with a cardioid polar pattern and black color. It features wireless connectivity, XLR 3 Pin, DSP Digital, UHF, FM, and 6.35 mm (1/4 in) TRS. The system includes a back-lit LCD display, automatic gain control, automatic transmitter setup, switchable frequencies, adjustable gain, and frequency selector.