Sena Technologies SMH Boom & Microphone Mount - -- Size: CLAMP WITH BOOM MIC Style: REPLACEMENT HELMET CLAMP 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.