The Motorola PMMN4013A Remote Speaker Microphone RSM Shoulder Mic is a high-quality microphone designed for radio communication. Made by Motorola in the United States, this microphone is compatible with Motorola devices and comes in a pack of 5 units. With its convenient shoulder mic design, this remote speaker microphone allows users to communicate hands-free and easily control their radio communication equipment. Ideal for professionals in industries such as construction, transportation, and emergency services, this Motorola microphone is a reliable and durable accessory for efficient communication on the go.