Complete Law Enforcement Listen Only Radio Earpiece, Police Favorite & Staple. Common for Harris(L3Harris), M/A Com, Otto, Kenwood 2-Pin, Tait Evolution & Storm Speaker Mics, & more. 2.5mm Acoustic Tube Earpiece, Internal Aramid Fiber Weaved Lining, High Tensile Strength Polyurethane Cable, Direct To Speaker Microphone With Minimal Slack. Ideal length for chest or shoulder mounter speaker mics. Fit & Function Money Back Guarantee. Purchase with Confidence. -Customizable Acoustic Tube -Adjust Tube Length Without Affecting Sound Quality -Tube Wont Obstruct Temples from Glasses -2 Hypoallergenic Noise Suppressing Ear Buds -2 Ear Mold Options (Default: 1xLeft Medium, 1xRight Medium) -Usually Ships In Hours - Delivers in Days 12 Month 100% Free Replacement Warranty 3 Months of Line Of Duty Protection: Warranty against damage/abuse to unit while on duty: Cracked casings, water damage, pulled cables, etc. We have the best/easiest exchange & return process. Purchase with confidence. If you have any questions we are standing by to help.