<p>$100 off for a limited time, these discounted Bose Ultra Open Earbuds can help you beat your personal best at an unbeatable price.</p> <p>The post <a href="https://www.popsci.com/gear/bose-ultra-open-earbuds-deal/">The earbuds that help me keep my heart rate up are down to their lowest price</a> appeared first on <a href="https://www.popsci.com">Popular Science</a>.</p>