The Shuffle icon is available in the Now Playing screen of the BluOS Controller App. It is also available in the footer section of the Play Queue screen in the iOS/Android version of the BluOS Controller App.
Enabling Shuffle each time scrambles the songs listed in the Play Queue randomly.
Shuffle enabled 
– Scrambles the sequence of songs in the Play Queue at random. Randomizes the songs in the current playlists including the current track and insert point. You can shuffle the play queue any number of times.
Shuffle disabled 
– Plays the tracks in the Play Queue in the existing sequence or as saved initially.
Note:
- When Shuffle is enabled, any playlist added to the current queue is pre-scrambled.