Outanaya Rotary Helmet Rail Adapter for Headphone Accessories, Compatible 19-21mm Helmet Guide Rail, Made of Sturdy Alloy and Nylon, Easy to Install

Details

• Helmet rail for--remove the earmuffs on the two sides of the earphone from the stand,helmet rail
• Fast rail for helmet--suitable for 19-21mm helmet guide rail,helmet rail
• Fast rail--buckle the earmuff on the hanging buckle of this rail adapter (corresponding location, both left and right),helmet rail
• Outdoor parts--take out the wire of headphones,helmet rail
• Outdoor helmet rail--wire the headset on the of the helmet according to your own situation, then fix it on the of the helmet,helmet rail