Features. Our products are assured for reliability and durability which has high quality and standard. Our products are designed with the up to date designs and creativitySpecifications. Noise Reduction Rating: 20 dB. Disposable or Reusable: Reusable. Color: Black. Corded: Yes. Replaceable Pads: No. Adjustable: No. ANSI Certified: Yes. Weight: 0.1 lbs