Vintage Collins Radio Co. MM-1 Dynamic Microphone featuring a classic mid-century teardrop design with a polished chrome-finish metal housing. This high-impedance (HI) hand microphone is equipped with a push-to-talk (PTT) side button and a coiled black cable terminating in a PJ-068 plug. Manufactured in Cedar Rapids, Iowa, it showcases the iconic Collins winged logo on the rear identification plate. Ideal for collectors of vintage ham radio gear or aviation electronics.