Android Wear 2.0 and up
If you don't want to answer the call, use your RunIQ Watch to ignore the call by pressing the red .
Android Wear 1.5 and below
To answer a phone call with your RunIQ Watch, swipe left. Use your phone to speak with the caller.
To ignore a phone call with your RunIQ Watch, swipe right.
Note: RunIQ Watch does not have a speaker so you will need to pull out your phone in order to make a call.