Fitbit One

Fitbit's Fitbit One was introduced September 17, 2012. It is a fitness tracker which can be attached to clothing with the included silicon clip. Like the Fitbit Zip, data is automatically synced to PCs, Macs, the iPhone 4S & 5, iPad 3, Retina & mini, iPod touch, and certain Android phones via Bluetooth 4.0 or Bluetooth Smart. Data collected includes:
 * Steps taken
 * Distance covered
 * Calories burned
 * Stairs climbed
 * Sleep (hours slept, times awoken, sleep efficiency)

Additional features include:
 * Silent Alarm
 * Rain, splash and sweat-proof