Product picture - TeachLogic IRQ-3650 Quantum II Wireless System with Sapphire Microphone Transmitter, Handheld Microphone Transmitter & Drop-In Battery Charger TeachLogic, IRQ-3650, Quantum, II, Wireless, System, with, Sapphire, Microphone, Transmitter, Handheld, Microphone, Transmitter, &, Drop-In, Battery, Charger Click the image to close this page