Our premium passive ear protection is ANSI S3.19 rated with a padded headband and soft PVC earpads for an all-day comfortable fit. With a whopping 32 DB Noise Reduction Rating, these passive ear muffs provide the highest amount of protection in the Walker's line. Features: 32 dB Noise Reduction Rating ANSI S3.19 rated Padded headband for comfortable fit Soft PVC ear pads Ultra-lightweight Compact folding design Battery NA App supported NA