First, make sure your watch is successfully connected to your app and phone.
Launch your music (native music player), and press the COMMAND button to pause or play your music.
Note : You MUST have your Music player open, or music playing to use this function.
To skip tracks, press the COMMAND button and the lower left button at the same time.
The COMMAND button is the upper-left button on your watch.
Please note that skipping tracks is not available on android.