Stay on top of your health and fitness with the iFit Link Activity Tracker. Wearing the tracker on your wrist, you can see a clear view of your progress with the four LED indicator lights. By automatically detecting your activity, you can instantly track your walking, running, and cycling. The Link Activity Tracker also automatically tracks the quality and duration of your sleep so you have a complete overview of your physical health. The textured band is fully adjustable to fit your wrist exactly and the device syncs wirelessly using Bluetooth Low Energy. Inside is a three-axis accelerometer for precise tracking of your activities while it also provides vibration notifications from your device. Perfect for those looking to improve your health, the Link Activity Tracker will keep you in the know.