Motorola (Otto) V4-10390, ClearTRAK over-the-head. Heavy-duty headset with certified noise reduction rating(NRR) of 24dB. Built with an extreme noise-canceling microphone (3dB-Standard) (19dB-ClearTrak). PTT switch located on the earcup. Flexible, heavy-duty coil cord. For SP50, P1225/LS, CP150/200, CT150/250, CT450/LS. List price $318.52
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