Blue band with tools to switch included - the blue band was the original band I bought the black band. Both are included with the charger. Built-in GPS - built-in to acquire satellites quickly to track how far, how fast and where you run, even under tree cover. No phone required 24/7 heart rate monitoring - warm gives you heart rate all day and night -no additional Strap required Vibration alerts - helpful vibration alerts notify you of running prompts, activity tracking milestones, smart notifications and virtual pacing progress Updated display - new high resolution display that is perfect for indoor/outdoor viewing Smart connectivity - auto uploads, smart notifications, live track, music controls and automatic sw updates