The Jabra Sport Pulse Wireless headphones are ideal for athletes interested in quality sound from a durable product. The Sport Pulse includes Jabra's next generation technology that can measure heart rate from your inner ear. The headphones come with a companion app to measure and display performance metrics while you exercise and listen to immerisve Dolby sound. Control music playback. volume and take calls with a quick tap on the earbuds. The Sport Pulse are designed to withstand rain. shock. sand and dust standards.