Fitbit Flex Wireless Activity + Sleep Wristband, Black, Small/Large The tracker of a few of my friends, and my old one the wife has now.
Fitbit One Wireless Activity Plus Sleep Tracker, Black
Fitbit Zip Wireless Activity Tracker, Charcoal
Fitbit Flex Wireless Activity + Sleep Wristband, Slate, Small/Large
Fitbit One Wireless Activity Plus Sleep Tracker, Burgundy
Fitbit Zip Wireless Activity Tracker, Magenta
Nike+ Fuelband SE My current tracker.