Improve your workout performance every step of the way with the Jabra Sport Pulse Special Edition Headphones! These headphones make it incredibly easy to understand your heart rate. With Jabra’s next generation of heart rate monitoring technology, you can now measure your heart rate via your inner ear with clinical-grade accuracy. In-ear coaching gives you real-time feedback to help you get the most out of each one of your workouts. The Sport Pulse meets US Military standards for dust-, water- and shock-resistance. Forget noise created by your surroundings as you can stay completely focused on your performance. The new ear tips designed with COMPLY™ foam provide exceptional noise cancellation along with enhanced bass and superior sound. With a talk time of 5 hours and a standby time of up to 240 hours, the Jabra Sport Pulse was built to withstand even your toughest workouts.