Product details:

Boost your results by training smarter with the new Garmin Forerunner 630? + HRM. Take advantage of this advanced GPS watch, activity tracker and heart rate monitor combo that features second generation running dynamics like step length, ground contact balance, and vertical ratio. You'll also get estimations on key physiological measurements such as your overall stress score, your performance level, and your lactate threshold. Instantly see your text and call notifications, too, with the Smart Notifications feature, and share your stats and location with friends and family in real time using the Connect IQ feature. Plus, the Garmin Forerunner 630 + HRM lets you train longer without worrying about losing a connection thanks to its trusty up-to-12 hours battery.