FUNCTIONS: 
GPS speed/distance and Tracking
PPG heart rate sensor
Activity /sleep Tracker
Multi-sport Modes
Mobile Phone Notifications
Altimeter/Barometer/Compass sensorsHARDWARE SPECIFICATIONS: 
Cortex M4F running RTOS 
PPG OHR module 
Bluetooth Low Energy 
Patch / LDS Antenna 
5ATM 
MIP low power daylight visible Color display 
USB Charging