How to connect your Bluetooth hardware for measurement:
Bluetooth enabled devices include Samsung Galaxy S3，Galaxy S4，Note III, Note IV（Android 4.3 and above），Nexus4/Nexus7（Android 4.3 and above）. Craig Tracker app to connect your Bluetooth Smart hardware with activity tracker.
How Craig Tracker app support users:
Craig Tracker app can show the following date with the corresponding sensors connected to the Bluetooth devices.
1. Display Time
2. Count Steps
3. Calorie consumption
5. Total exercise time
6. Target Goal
8. Quantity of missing call and unread message
9. Incoming call English name and phone NO.