Motorola PMMN4025, PMMN4025A IMPRES Remote Speaker Microphone for MOTOTRBO XPR7000, XPR6000 RadiosIncludes a 3.5mm jack on the side of the microphone for an optional receive-only accessory. Also includes orange button on top of microphone.
This microphone uses IMPRES technology to communicate with the radio to set audio levels and provide superior audio quality.