Amazon has the Fitbit Zip Wireless Activity Tracker on sale for $47.99 + FREE shipping!

Why this deal is hot:
Save 20% off -- that's $47.99 in savings!

What this does and why you need it:
This fitness tracker watches your steps, distance and calories burned for a day. It automatically syncs to your computer or select Bluetooth 4.0 smartphones and tablets with the free iPhone and Android applications. Set personal goals, view your progress and earn badges. You can even share and compete with friends through the day!