The TeachLogic IRT-55N Sapphire Infrared Handsfree Necklace with Microphone is a professional-grade microphone designed for hands-free use. With a sleek gray color and a lavalier/lapel form factor, this necklace-style microphone from TeachLogic offers reliable infrared connectivity for easy setup. The IRT-55N Sapphire model is known for its high-quality audio capture and convenience, making it a popular choice among musicians, public speakers, and audio professionals.