1. Multi-Angle, Adjustable, Reversible 2. Audio Pickup Earphone Guide Rail Bracket, Multi-Angle Adjustable Flip Earmuff Fixing Bracket, Helmet Accessories 3. There Is A Certain Error In Manual Measurement, Please Refer To The Actual Product. 4. Can Be Installed On Helmets And Helmets With Curved Rails 5. Convenient To Carry And Easy To Use Applicable Gender: Male, Neutral/Both Male And Female Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:Mud color Material:nylon Size:12 x 8cm Package Contents: 2 x Headphone Rail Bracket 1 x Installation Holder Only 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.