What makes the SPORT PULSE Wireless Bluetooth Stereo Earbuds by Jabra a perfect set of earbuds for your training is the built-in heart rate monitor. This will ensure you’re always training in the correct zone. By using the corresponding Sport Life app, you’ll be able to enjoy personalized audio coaching along the way and control your music as well as training from a single source. The design is sweat and weather proof which provides high quality audio via Dolby enhanced sound. Most importantly, these earbuds offer that ideal fit you desire during workouts that lets you train without causing any kind of unwanted distractions. Time to step out from the world of cluttered designs and enjoy freedom of movement while you train with these earbuds on.