Fitbit Blaze Smart Fitness Watch, Blue version with small band, designed to track all of your fitness goals and activities. 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. Compatible with iOS and Android.Features- See simplified heart rate zones for quickly checking exercise intensity during workouts with PurePulse(TM) continuous, wrist-based heart rate monitoring (no uncomfortable chest strap required)- Use multi-sport tracking to track runs, cardio, cross-training, biking and more. Effortlessly and automatically record other 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)- Track steps, distance, calories burned, floors climbed and active minutes. Stay connected with call, text & calendar alerts and notifications from your favorite apps like Gmail, Facebook and more (when a phone is nearby). Start a FitStar workout on your wrist and get step-by-step instructions and graphics to ensure you complete each move correctlyModel Number: FB502SBUS