Description Product Description Train smarter and go farther with Surge—a sleek, fitness super watch designed to help you reach your peak performance. With built-in GPS, multisport functionality, and automatic, continuous heart rate, Surge delivers the stats you need to measure your effort and maximize your training time. Add activity tracking, automatic sleep detection, music control, and text and call notifications, and you have everything you need to stay connected, motivated and in the zone—no matter what goal you’re working toward. From the Manufacturer • Certain features like Auto Sleep Tracking and SmartTrack may be disabled when using this accessory. Classic accessory bands are the recommended accessory for high intensity workouts and sleep tracking. • Do not wear the Flex 2 Pendant accessory while sleeping or during high intensity activity, as doing so could create a choking hazard. • Flex 2 Pendant accessories contain magnets. Magnets may interfere with pacemakers, defibrillators, or other medical devices. Consult your physician and the manufacturer of your medical device before using to determine if these accessories are safe for you. If the accessories may be interfering with your pacemaker, defibrillator, or other medical device, do not wear the accessories. Features & details GPS Tracking- See distance, pace and elevation climbed & review routes and split times Get continuous, automatic, wrist-based heart rate and simplified heart rate zones Track workouts & view workout summaries; plus all day activities including steps, distance, calories burned, floors climbed and active minutes Monitor your sleep automatically and wake with a silent alarm See call and text notifications on the touchscreen display Sync stats wirelessly and automatically to your computer and over 150 leading smartphones Utilize the sizing tool in Product Details below to ensure proper fit