This spring headphone cable is a perfect replacement cable for damaged helicopter headphones. It uses U-174/U military connectors and high-quality materials. The cable length is about 40cm, retractable, easy to use, and not easy to damage. Features: 【PERFECT REPLACEMENT CABLE】This spring headphone cable is a perfect replacement cable for damaged or old helicopter headphone cables. If you have a headphone cable that you want to replace, then this one is very suitable. 【U-174/U MILITARY CONNECTOR】This spring headphone cable uses U-174 / U military connector, and its performance is better than the general headphone cable on the market in all aspects, so this headphone cable is the best choice. 【STRETCHABLE】The cable length of this spring headphone cable is about 40cm, which can be extended and contracted, and it is convenient to use, to avoid dangerous situations in the high altitude. 【QUALITY MATERIAL】This spring headphone cord is made of high-quality materials and is durable. If you want a headphone cord that can be used for a long time, then I think this spring headphone cord is the most suitable. 【NOT EASY TO DAMAGE】The material of this spring headphone cable is not easy to be damaged. This is a special design according to a specific scene, so it is a professional headphone cable that is not easy to be damaged. Specification: Material: ABS Line Length: about 40cm/15.75inch Plug: U-174/U Applicable: aviation headset DIY replacement cable Package List: 1 * Spring Cable