TS TAC-SKY T700 Active Noise Cancellation Tactical Headset with ARC Rail helmet Bracket + V2 PTT + U174Description: 1. It can take into account the two wearing methods of headphones and tactical helmet stands, and you can choose the wearing method according to your preferences and habits. To replace the bracket, you need to grab the column part and pull it out forcefully to remove the headband, and the bracket installation is also aligned with the notch to snap on. The bracket comes with two sets of parts that convert the ARC rail on the bracket into