Fitbit Surge Activity Tracker in Black size small.

The fitness tracker that just wont quit. The Fitbit Surge is the ultimate wearable designed for those who love running, cycling and working out. The all-day tracker not only tracks your steps, calories and distance but also your heart rate intensity - no straps or clips needed. The SmartTrack will automatically recognize your workout and track every aspect of your training, delivering real-time stats. The Surge monitors the hours and how well you sleep, and you can sync the Surge to your smartphone or tablet to display your stats. The Surge also allows you to see call and text notifications and lets you control songs from your phone playlist.