TAC-SKY C2 Electronic Noise Canceling Headphones, Airsoft Hunting Hearing Protection Sound AmplifierThe powerful noise reduction function and sound amplification function of C2 earphones, coupled with the new track adapter to bring you a full range of real experience Noise reduction function: automatically reduce gunshots, explosions and other sounds to protect your hearing. In terms of sound, footsteps are amplified, making it easier for you to find enemies and hunting. Tactical helmet rail suspension: The new tactical helmet rail is installed at