Many of us listen to music to stay motivated and workout harder. You are going to need a decent pair of headphones to listen to music though. The Combat+ Sync headphones can help. They offer Walkie Talkie and music share functionality. You will be able to communicate with your buddies within a 10-mile radius. Want to share the same music between two headphones? Combat Sync has you covered.
These headphones are flexible and have color changing LEDs. It offers up to 12 hours of battery life. More information is available on Kickstarter.