This Signal 21 M4 shoulder microphone from Code Red is compatible with a variety of Motorola radios. It uses high quality materials that are water, wind, dust and impact resistant, making it durable. Weighing only 3.6 ounces, it is lightweight and fits easily into the palm of your hand.Specifications and Features: Water, wind, dust and impact resistant Weighs only 3.6 ounces Covered audio jack Fits perfectly into the palm of your hand Compatible with Motorola GP1280, GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP650, GP680, HT1250, HT1250LS, HT1550, HT1550XLS, HT750, MTX8250, MTX8250LS, MTX850, NTX850LS, MTX9250, MTX950, PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150, PTX700, PTX760, PTX780 Rotating clothing clip
