Features: 1. The updated accessories are compatible with specific headphones for FAST helmets, MICH helmets, and Peltor Comtac communication systems. 2. Tested compatibility allows Comtac I and Comtac II headphones to attach securely to various FAST helmets using a mounting buckle system. 3. The earmuffs from Comtac communication headsets can be detached from the original headband and directly clipped onto the mounting buckles, which secure into grooves on both sides of the helmet. Once installed, the earmuffs offer 360-degree rotation for optimal positioning. Usage: 1. Remove the earmuffs from the original bracket on both sides. 2. Release the headphone wire from the cover by breaking the retaining loop. 3. Attach the earmuffs to the hanging buckles provided, aligning and clipping them securely on the left and right sides. 4. Mount the assembly onto the helmet. 5. Route the headphone wiring along the top of the helmet and secure it with adhesive tape. Package List: 1 Pair x Headset Holder