Oklahoma Sound® Wireless Tie-Clip/Lavalier Microphone, Ships in 1-3 Business Days (NPSLWM6) EachOklahoma Sound Wireless Tie Clip Lavalier Microphone 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. Global Product Type: Clip Microphones Maximum Wireless Range: 200 ft Mounting Details: Clip; Lavalier Power Source(s): Battery