2.5X?Better Audio Quality Better audio quality makes for a more full, rich audio experience 2.5x?faster, smoother compression for max hearing protection Compresses loud sounds at 85 db or louder Extra set of heavy duty foam earplugs for maximum seal in any ear canal size 2.5x?the battery life 25 hours hearing enhancement only run time 9 hours audio only run time 8 hours run time when hearing enhancement & audio are used simultaneously Sound?enhancement &?hearing protection 5.0 bluetooth audio for studio quality audio & hands free communication Compresses loud sounds?at?85 db or louder 6.5 premium dynamic speaker 0 hz-40,000 hz sound spectrum 19 db snr?with silicone tips 29 db snr?with general foam tips 29 DB snr with max protect foam tips GS Extreme 2.0 delivers 3 products in 1; it*s like having Bluetooth ear buds, noise isolation headphones and electronic earmuffs all in one product. Make these your new *Go to Ears*!table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }