Axil MX Pro Earmuffs Black Sound rating: SNR 30 (dB85);Hearing enhancement: 6X (Level 5.3);Bluetooth 5.3 connectivity;Intuitive button controls with synced volume;Voice confirmation and sleep mode;Rugged, dust, sweat, and water-resistant design;Battery life: 70 hours (hearing enhancement only), 40 hours (Bluetooth audio only), 30 hours (combined);USB-C charging (battery non-replaceable)table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 3700 Product Group Code: 3700B Inactive: No