Handheld transmitter (irh-35) specs, Drop-in battery charger (brc-55) spec, Sapphire transmitter (irt-60) specs – TeachLogic Maxim III User Manual

Quantum II All-in-One Wireless Sound System with Hands-Free Mic and Charger, Dual Quantum II All-in-One Wireless Sound System with Hands-Free + Handheld Mics & Charger, Quantum II, Forum, Forum 232, VOICELINK III