Military Aviation Communication Earphones. FEATURES Low Profile Cup Design Nexus TP-120 U-174 Military Connector (NATO STD) for PTTs Noise Reduction Rating + NRR22 Amplifies Low-level Sounds Suppresses Harmful Noise Above 82 DB Detachable Ambidextrous Microphone EMI/RFI Shielding, Increased RF Immunity for EMI Environment Conformable Ear Cushions for Tight Seal 3mm Thick High-impact Resistant Poly Carbonate Shell Dynamic Voice Tracking, Improve Speech Intelligibility Foldable for Storage and Protection SPECIFICATIONS: IPX-5 Water Resistant Item:Tactical Headsets Fit: Air Soft Hunting Tactical Headsets Accessories Runs on 2x1.5V AAA Batteries, Approx. 350 Hours of Operation 4 Hours Auto Shut-off Mechanism PACKAGE: 1 X 1pcs TacticalHeadphones (No Included Other Products ) . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.