Wire the headset on the top of the helmet according to your own situation, then fix it on the top of the helmet Remove the earmuffs on the two sides of the earphone from the stand Take out the wire of headphones Buckle the earmuff on the hanging buckle of this rail adapter (corresponding location, both left and right) Suitable for 19-21mm helmet guide rail.
Product specifications
| Brand | BESPORTBLE |
|---|---|
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