Features: 1. The updated accessories are compatible with specific headphones for a full range of FAST helmets, MICH helmets, and Peltor Comtac communication devices. 2. Tested compatibility allows Comtac I and Comtac II headphones to be attached to various FAST helmets using a hanging buckle system. 3. The earmuffs from Comtac communication headsets can be detached from the original headband and directly clipped onto the buckle, which secures into grooves on both sides of the helmet. Once installed, the earmuffs offer rotational adjustment. Usage: 1. Remove the earmuffs from the original bracket on both sides. 2. Extract the headphone wire from the cover, breaking the hoop seal if present. 3. Attach the earmuffs to the hanging buckles provided, aligning properly and securing on both left and right sides. 4. Mount the assembly onto the helmet. 5. Route the headphone wiring over the top of the helmet and secure it using adhesive tape. Package List: 1 Pair x Headset Holder