Product picture - TeachLogic IRM-5150 Maxim III Wireless Classroom Microphone System with Sapphire Mic & 4 Ceiling-Mount Speakers TeachLogic, IRM-5150, Maxim, III, Wireless, Classroom, Microphone, System, with, Sapphire, Mic, &, 4, Ceiling-Mount, Speakers Click the image to close this page