Designed for use with your Oklahoma Sound® lectern, this wireless tie-clip/lavalier microphone will effectively amplify your voice, making it perfect for schools, large meeting rooms, and auditoriums. Feel free to roam around the room as this mic features a 200-ft range. Maximum Wireless Range: 200 ft; Mounting Details: Clip; Lavalier; Power Source(s): Battery; Batteries Included: No.