Meet the Combat Sync: a flexible, durable pair of headphones with Walkie Talkie and music sharing capabilities. It lets you stay connected with your friends within a 10-mile radius. You can also share music between two headphones conveniently. Combat+ Sync headphones features customizable LEDs, a 12-hour battery life, and an ergonomic design. As you can see in the above GIF, these headphones are flexible.
Combat+ Sync is comfortable and sweat-proof. It has a built-in microphone and an app for further customization. More information is available on Kickstarter.