SMS Audio recently partnered with Intel in order to create the BioSport In-Ear headphones. Why Intel inside? Because these headphones can do what a fitness band can do, but without charging. Somehow these headphones can track the user's heart rate. It can also take this information and pass it through the audio jack and pass it through a smartphone to be used on an app … [Read more...] about BioSports Earbuds, a Fitness Tracker that needs no batteries