Track all-day activity & get positive motivation to go beyond your limits using the Fitbit Blaze large smart fitness watch with heart rate sensor. The watch not only looks smart & stylish, but also lets you improve sleep quality with auto sleep tracking & sleep stages features, & provides precise wrist-based Pure Pulse® heart rate measurement. It automatically recognizes activities thanks to innovative Smart Track feature, has an interchangeable band enabling you to switch up your style & delivers friendly Reminders to Move to help you reach a mini-step goal of 250 steps each hour. Follow step-by-step exercise instructions using on-screen Fitstar workouts, enjoy personalised breathing sessions & track workouts like running, cycling & weights with multi-sport modes. Record a map of each route with Connected GPS feature & check your stats & smartphone notifications on a clear colour touch screen LCD display.