Garmin GA004BK Vivofit 2 Bundle, Brushed Silver with Black Cuff Includes Adjustable Black Genuine Leather Cuff Strap with Stainless Steel Case in Brushed Silver. The Leather Cuff can be removed for a simpler, thinner leather band Includes GARMIN Vivofit 2 Activity Tracker, interchangeable rubber strap, and ANT stick Tracks Steps, Calories, Distance, Monitors Sleep, Activity Timer Backlit Display, Move Bar Alerts, 1 + Year Battery Life, Water Resistant to 5 ATM Free GARMIN Connect Mobile App