Whether you're producing videos, teaching classes, or putting on school plays, you'll find usefulness and versatility in Hisonic's multi-purpose WM606 wireless microphone system. This system comes with one headset and one lapel microphones, either mic may be plugged into the supplied transmitter and fed wirelessly using FM modulation to the receiver and on to your camcorder, mixing console, tape recorder, or other devices with an mic input or audio input. Use the system with camcorders, karaoke setup, DJ systems, houses of worship, schools, meetings, or presentations. The compact, ultra-lightweight transmitter and receiver are powered by a single 9V battery and two AA size batteries respectively, all the batteries are included. The batteries can last for about 8 hours under normal conditions. The system's operating range is about 100 feet, though you may get transmissions of up to 300 feet under optimum conditions. What's in the box: A Headset Boom Microphone with an ear cushion; A Clip On Lapel / Lavaliere Microphone ; A Belt Clip ( Body Pack ) Transmitter ; Deluxe Wireless FM Receiver with Telescopic Antenna ; Padded Carrying Case; 2 Standard AA Batteries for the Receiver ; 1 Standard 9 Volt Battery ; 1/8" mini plug cable to 1/4" microphone plug; An adapter from 1/4" to 3.5mm for all types of Camcorders ( Sony, Panasonic. etc); Instructions.