3M Peltor ComTac ACH Communication Headset, Dual Comm, Headband, Single Downlead Split Audio MT17H682FB-49 GN - OLIVE DRAB GREEN  The COMTAC III and COMTAC IV both have Single and Dual Comm variants for streamline cable management. The downleads separate left and right audio traffic. -Level-dependent surround sound for “talk-thru” function-External communications and stereo “talk-thru” are independent of each other-External communications and “talk-thru” are battery independent for Rx/Tx fail safe-Ambidextrous noise-canceling boom mic (can be mounted on either left or right side by operator) angled to minimize interference with peripheral vision-Adjustable sizing to fit different users-Meets Environmental Standard MIL-STD-810F; Meets EMI Standard MIL-STD-461E-Buy American, TAA and Berry Amendment Compliant-Fielded by U.S. Army PEO Solider and U.S. SOCOM Specifications: Brand: Peltor Style: 3M Peltor ComTac III ACH Communication Headset, Dual COMM, Single Downlead Split Audio MT17H682FB-49 GN Battery: 2 AAA Battery Type: Rechargeable or DisposableProduct Category: Protective Communications Category: Helmets Communication Type: Tactical Headset Hearing Protection Type: Headband Product Series: MT Series Product Type: Headset Recommended Industry: Shooting Range, Military Tactical, Shooting, Hunting