One-touch automatic frequency scan finds the best operating channel. Two digit LED display. Infrared link locks the receiver and transmitter to the same channel. True diversity design minimizes dropouts. Tone key and auto mute prevents unwanted noise when transmitter is off or out of range. Balanced XLR and unbalanced 1/4" outputs. . Adjustable input gain. Silent mute button. Power/Mute status indicator. Metal belt clip. Up to eight hours of continuous use from two AA batteries. . Unidirectional pickup pattern. Adjustable form-fitting headband. . Rockville RVES05 Adjustable Tripod DJ PA Speaker Stand. (1) Stand included. Adjustable Height. Steel Construction with Nylon Clutch and Base. Black Color. Weight Capacity: 100 lbs. Adjustable Height Range: 71 inches. Base spread: 0-23 inches. Tube Diameter: 1.38 inches. Leg Diameter: 1.38 inches