TAC-SKY Electronic Shooting Tactical Noise Canceling Headset for ARC Rail Helmet. ARC Rail, Noise canceling. This headset is a tactical headset that includes hearing protection and intercom function between teammates. The headset has a dynamic noise cancellation function that actively suppresses noise and reduces echoes. The voice enhancement feature looks for speech in background noise and actively filters out noise to improve speech intelligibility and make calls more comfortable. The ear cushions are made of silicone material for more comfortable wearing, softer than normal cotton ear cushions to fit the shape of your ears. Even if you wear it for a long time, you won’t feel laborious. This product will bring you a better gaming experience. Note: This product does not include helmet and battery.