PMMN4039A PMMN4039 - Motorola Noise Cancelling Remote Speaker Microphone with 3.5mm Audio, IS/FM -- HT750, HT1250, HT1550, PR860, MTX850, MTX950, MTX8250, MTX9250 Price For: Each Type: Remote Material: Polycarbonate/Metal Length (In.): 1-7/64 Includes: 3.5mm Audio Jack, Large Microphone Design Item: Speaker Microphone Width (In.): 3-5/64 Height (In.): 2-23/64 Country of Origin (subject to change): Malaysia