This product is cool, and the amount of features are amazing:
Smart light turns on in low light and turns off when you stop
Navigation with directions shown by lights on the halo ring using Its own navigation app
Incoming call alert
Alarm, and fitness tracker with distance traveled, average speed, calories burnt, and total elevation
As with all good designs, simplicity is the key, and the smarthalo team have kept to their own brief to deliver this intuitive simple interface.