Howard Leight by Honeywell Impact Sport In-Ear Earbuds with Hear Through Protect

Noise Reduction Rating (NRR): 29 dB Intuitive volume controls Realistic, natural hear-through functions with analog circuitry 9mm Dynamic range speaker 2x Omni-direction in-ear microphones Device actively listens and automatically stops amplification when loud impulse sounds like firearms discharges exceed 85 dB Run-time of 50 working hours USBC Rechargable with a charging time of 2 hours (charging cable included) Unit Battery Type: 200mAh Lithium Battery Flexible, moldable earhook In-Ear profile allows for full clearance of firearm stock 3 Pairs of Foam Eartips (small, medium, large) Convenient Carrying Case