Sgnsvj usage:1. Remove the ear cups on the 2 side of the headset from the stand2. The wire on the headset needs to be removed from the skin (the headband must be broken to remove)3. Fix the earmuffs on the baby's hanging buckle (corresponding position, left and right can be)4. Mounting on the helmet5. Wind the headphone wire to the top of the helmet according to your own situation, and then fix it on the top of the helmet with tape Headphone Conversion Suspension Buckle for FAST HelmetsWeight: 62G/pairColour:KhakiMaterial:composite materialPackage Contents:2 x Helmet Rail Suspension BracketOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.