The Altus RFTAC BenchMaster Rifleman TAC Electronic Earmuffs are designed to be ultra-durable, with an impressive Noise Reduction Rating (NRR) of 22db and audio amplification to meet the requirements of even the most demanding users. Thanks to the soft ear pads and headband, these earmuffs provide lasting comfort for all-day use.Featuring a sleek and low profile cup design, these earmuffs are not only perfect for everyday use but also for long gun use, particularly invaluable for sighting in. One of their standout features is the super-quick reaction time of just 2 milliseconds.Beyond comfort and functionality, these earmuffs also boast fantastic durability with an IPX 5 water-resistant rating. Compatibility is also at the users\' fingertips with a 3.5mm audio input jack that syncs smoothly with mp3 players and mobile phones. Set the volume from an external source separately from the internal volume, giving you the flexibility to listen to music with the amplification turned off.