The comtac v has omni-directional microphones and high fidelity speakers that are optimized to transmit voice communication and can pick up sounds with great sensitivity with an excellent signal-to-noise ratio for clear and accurate sound replication.The result is a more natural sounding headset with unmatched sound clarity.3m has replaced the leather headband, for a more modern rubberized band that is easy to remove if the user wants to convert to arc adapters (or convert back to a headband).This headband has increased environmental resistance to heavy maritime environments.Color: Coyote Cups w/Black HeadbandNrr: 23 dBStyle: Over the HeadBattery: Rechargeable