Pro Tekt Mag Gold Noise Reduction Rating 33 Black HardSpecifications:- Low battery warning- Auto shut off- Up to 8x amplification- Use with ipod or scanner- Proform leather, no vinyl no sweat- Ergonomic ear seals for a perfect fit even with glasses- Head band designed to avoid excesive compression- Coated military grade circuit boards with gold connectors for durability- The only earmuff with microprocessors to run continuous system diagnostics- Color- Black- Made in the USAmanufacturer no: GS2-DIM-U-H-BLKbar code: 751710011502manufacturer : Pro Earsshipping dimensions: weight: 1 dimensional weight: 9.125 (w) x4.25 (h) x10.5 (d)