FREE: fitbit zip - wireless activity tracker

The listing, fitbit zip - wireless activity tracker has ended.

Zip™ tracker
Silicone and metal clip
Wireless sync dongle
Replaceable battery
Battery door tool
Free Fitbit.com membership - includes ability to log and track activity, food, sleep, water, body mass, weight, and more

This Zip™ comes in Blue
There's an LCD

Just tap the device face with your fingertip to change the display.
Each tap cycles through one of five modes:
Steps
Distance
Calories burned
Fitbit Smiley (highlights your recent activity level)
Clock

Fitbit’s trackers are the first all day activity trackers to offer Bluetooth Smart connectivity, so you see your stats in real-time.

Wireless sync to mobile

Syncing Zip™ to your smartphone or tablet requires Bluetooth 4.0. This allows your Zip to sync wirelessly and automatically with a wide range of leading iOS and Android Smartphones.
For a full list of supported devices, visit: http://www.fitbit.com/devices

Memory

We recommend syncing your data regularly. As long as Zip™ has minimum battery power, it tracks up to seven days of detailed, minute-by-minute data. For the preceding 23 days, it summarizes your daily calories, distance and steps taken.
Batteries & Power

The battery inside Zip™ lasts four to six months. It has a low battery indicator on the LCD screen. To change your battery, use the battery door tool to unlock and open the door. Remove the battery, place the new battery into the cavity, and close the door.

PC & Mac requirements

Windows XP/Vista/7/8
USB port
Internet connection
Mac OS X 10.5 and up
USB port
Internet connection
Sensors

Zip™ uses a MEMS 3-axis accelerometer that measures your motion patterns to determine your calories burned, distance traveled, and steps taken.