Color:Black, Silver | Size:Large (6.7 – 8.1 in) Get fit in style with Fitbit Blazea smart fitness watch that helps you maximize every workout and every day. With advanced technology in a versatile design, this revolutionary device is built to track your workouts, monitor your performance stats, and gauge your progress. PurePulse continuous heart rate and multi- sport modes enhance every exercise, while next-generation features like Connected GPS and FitStar workouts on your wrist help you take your fitness to the next level. All-day activity and sleep tracking, smartphone notifications and Reminders to Move help you stay on top of your day. And interchangeable band and frames and customizable clock faces on the hi-res color touchscreen let you personalize your style for every occasion. With all this and more, Fitbit Blaze has everything you need to reach your goals, packed into one sleek timepiece. Manufacturer Contact Information Customers contact: Ph Track steps, distance, calories burned, floors climbed and active minutes Use multi-sport tracking to track runs, cardio, cross-training, biking and more Get PurePulse continuous wrist-based heart rate monitoring with no uncomfortable chest straps Automatically record workouts to your dashboard with SmartTrack Enable connected GPS to map your routes and see run stats like pace and duration on display (when your phone is nearby).Syncing range: Up to 6.1 m and Syncing requires Bluetooth LE and Internet connection. Windows 10 computers that do not have Bluetooth LE will need a wireless sync dongle in order to sync.