Fitbit Zip Wireless Activity Tracker: Use your computer or Bluetooth 4.0-enabled mobile phone or tablet to monitor your workout progress with this activity tracker that wirelessly syncs with your device and tracks steps taken, distance traveled and calories burned.
Everything works great for this fitbit: small, concealable, great colors for men and women! Could not be happier with this purchase. Also, the battery lasts a very lengthy amount of time.
Fitbit Zip Wireless Activity Tracker: Use your computer or Bluetooth 4.0-enabled mobile phone or tablet to monitor your workout progress with this activity tracker that wirelessly syncs with your device and tracks steps taken, distance traveled and calories burned.
Does it work when I use a treadmill - I have heard that it does not?