Hands free external Bluetooth microphone For Car In dash units to enhance sound quality. The is an optional external microphone for in-dash head units with built-in Bluetooth that feature a 3. 5mm microphone input. The microphone can also be used with external Bluetooth interface module. The Mic will provide better performance in noisy environments.   Brand new Car DVD Navigation Bluetooth Microphone Mic Assembly , This is aftermarket part that will work with most in dash car radios, Works With: CDE-136BT, CDE-137BT, CDE-143BT, CDE-147BT, CDE-153BT, CDE-154BT, CDE-164BT, CDE-HD137BT, CDE-HD138BT, CDE-HD148BT, CDE-HD149BT, CDE-SXM145BT, CDE-W235BT, CDE-W265BT, INE-W927HD, INE-W940, INE-W957HD, UTE-42BT, UTE-52BT KDC-X998, KDC-X997, KDC-X898, KDC-X897, KDC-X798, KDC-X797, KDC-X599, KDC-X598, KDC-BT952HD, KDC-BT762HD, DDX7701HD, DDX770, DDX719, DDX714, DDX712, DDX616, DDX5901HD, DDX491HD, DDX471HD, DDX470, DDX419, DDX418, DDX372BT, DDX371, DDX370 KD-A735BT, KD-A845BT, KD-A925BT, KD-A95BT, KD-AHD75BT, KD-AR865BTS, KD-HDR71BT, KD-R540, KD-R730BT, KD-R740BT, KD-R80BT, KD-R840BT, KD-R850BT, KD-R950BT, KD-S79BT, KD-S88BT, KD-X250BT, KD-X310BT, KD-X50BT, KD-X80BT, KW-ADV64BT, KW-ADV65BT, KW-AV60BT, KW-AV61BT, KW-AV70BT, KW-AV71BT, KW-HDR81BT, KW-NT510HDT, KW-NT800HDT, KW-NX7000BT, KW-R800BT, KW-R900BT, KW-R910BT, KW-V200BT, KW-V20BT, KW-V30BT, KW-V40BT, KW-V50BT, KWN-X7000BT  MEX- GS610BT, MEX-N5100BT, MEX-GS8100BH, MEX-N6000BT, MEX-M70BT, MEX-M50BT, XNV-660BT, XNV-770BT, XAV-72BT, XAV-712HD, XAV-70BT, XAV-701HD, XAV-68BT, XAV-62BT, XAV-622, XAV-602BT, XAV-64BT, XAV-601BT, WX-GT90BT, MEX-N5000BT, MEX-GS600BT, MEX-BT5000, MEX-BT5700U, MEX-BT4700U, MEX-BT4000P, MEX-BT4100P, MEX-BT39UW, MEX-BT3900U, MEX-BT3800U, MEX-BT38UW, MEX-BT3700U, MEX-BT3100P, MEX-BT31, MEX-BT3000P, MEX-BT2900