Earmor M32H Electronic Headphones for FAST Helmets (Black) Black. Headphones Jack: 3.5 mm Jack. Included Components: Earmor Tactical Hearing Protection Ear-Muff with helmet rail adaptors. Age Range (Description): Adult. Material: Polyurethane (PU), Faux Leather, Silicone, Metal, Thermoplastic Elastomer (TPE). Specific Uses For Product: Tactical. Recommended Uses For Product: Tactical, Calling. Compatible Devices: Devices with 3.5 mm audio input jack. Control Type: Media Control. Number of Items: 1. Controller Type: Wired Controller. Carrying Case Battery Average Life: 350 Hours. Earpiece Shape: around the ear. Package Dimensions: 6.22 x 6.02 x 4.49 inches. Item Weight: 1.12 pounds. Item model number: M32H-BK. Ear Placement: Over Ear. Form Factor: Over Ear. Noise Control: Sound Isolation. Electronic volume, on/off switch reminder tone Suppresses gunshot noise above 82 dBA and amplifies low-level sounds. Power by 2x AAA batteries, New alkaline batteries provide approx. Pronunciation ergonomic design more fitting ear Built-in NATO Military Standard 7.0 Plug for PTT Detachable microphone for both left or right handed assembly An anti-sweat, comfortable ear cup for continued wearing. Foldable ear cup design. Waterproof in accordance with IPX-5 Tested and approved in accordance with CE / RoSH / ANSI S3.19-1974 Standards. Items included: 1x Earmor Tactical Hearing Protection Ear-Muff with helmet rail adaptors Fit Earmor or Military Type PTT ONLY Helmet and PTT are NOT included.