Arrowmax APM100-M9 Speaker Microphone Compatible with Motorola Radios APX6000 APX7000 APX8000 XPR6350 XPR6550 XPR7550 XPR7350e XPR7550e XPR7580e APX 6000 7000 8000 XPR 6550 7550 7550e. It is made slightly smaller than palm-size.
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