Product features: 1. The new version of the accessory connects to dedicated headsets compatible with the full range of FAST helmets, MICH helmets, and Peltor Comtac walkie-talkies. 2. Tested and confirmed that Comtac I and Comtac II headsets can be connected to the full range of FAST helmets via the hook. 3. After using the hook, the earcups of the Comtac walkie-talkie headset detach from the curved headband and are directly clamped onto the hook, which is attached to the tracks on both sides of the helmet. After installation, the earcups of the Comtac headset can rotate freely. Instructions for use: 1. Remove the earcups from the side mounts. 2. Remove the headset cable from the cable (the connecting cable must be disconnected). 3. Snap the earcups onto the product's hooks (adjust them, both sides must be snapped on). 4. Install on the helmet. 5. Wrap the headset cable around the top of the helmet and secure with tape. Includes: 1 headset mount