Sena Technologies SMH Wired Boom Microphone - -- Size: CLAMP-KIT WITH WIRED MIC AND BOOM MIC Style: HELMET CLAMP KIT Color: BLACK Warranty: Sena Technologies, Inc. warrants that this product shall conform to and perform in accordance with published technical specifications and the accompanying written materials, and shall be free of defects in materials and workmanship, for a period of 2-years from the date of purchase by the first consumer purchaser.