When it comes to exercise or physical activity, some people prefer solitude to do their own thing. For many others, these experiences are enhanced by including music and/or friends. Soul Electronics has recently launched a Kickstarter campaign for a new product that caters to such people by combining wireless audio and personal communication. The Combat+ Sync headphones allows users to enjoy music and talk to each other through built-in walkie-talkies.

Although smartphones are powerful and convenient, they can be significantly limited by network areas and/or signal strength. As such, some manufacturers have chosen to integrate two-way radios into non-phone products.

The Livall bike helmet makes it easier for groups of cyclists to communicate with each other on the road, and the Fogo smart flashlight lets hikers and outdoor adventurers stay safe and in-touch. But if you happen to frequent the local gym or running trail, headphones more likely make a better companion than a helmet or flashlight.

The Combat+ Sync headphones pack key elements one might expect from a modern audio device: Bluetooth 4.0 with aptX support, a microphone for hands-free calling, and on-board controls. But one aspect that makes these headphones unique is the built-in walkie-talkie feature.

Users will reportedly be able to talk to each other through the Combat+ Sync headphones up to distances of 10 miles (16 km). Whether you're in an area with no service or a building where the signal can't penetrate, these headphones are designed to let users communicate with each other without having to worry about cellular networks.

The Combat+ Sync headphones are intended to be durable and sweat-resistant, and have washable ear pads, making them ideal for use during sweaty workouts. The LED lights on the ear cups provide enhanced visibility and safety, such as when one may choose to run or bicycle in dark or low-light conditions.

But an interest in sports or other physical activity isn't necessary in order to benefit from these headphones. Instead of exercising to music and staying in touch while on different floors of a gym, users could be studying quietly at a library. They could also be on opposite ends of a lake, a campground, or even an office building.

Not only do the Combat+ Sync headphones provide connectivity when people are apart, but they can reportedly share wireless audio when in range. The music-sharing function lets two pairs of headphones play the same music simultaneously. This kind of feature can be convenient for a couple choreographing dance moves or watching the same movie together during a commute.

The Combat+ Sync Kickstarter campaign has raised 88 percent of its US$90,000 goal in nine days, with another 20 days left of funding to go. A pledge of $199 will get you a set of Combat+ Sync headphones, saving $50 off the retail price. If tooling and production goes as planned, backers can expect shipments to start sometime February, 2016.

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