NOISE REDUCTION: With the electronic active noise reduction function and sound pickup technology, these earmuffs can provide natural sound on airsoft games. | COMFORTABLE USE: Drastically improves the comfort and protection of your helmet, you no longer have to fight for space inside your helmet or remove helmet pads to fit a headset. | WIDE COMPATIBLE: This adapter connects your headset directly to your tactical helmet ARC accessory rails. It also fits most other 3M hearing protection earmuffs with similar headband mounting posts. |