There are 3 generations of Swivl Robot. In chronological order of release, they are: Gen1, Gen2 and C Series.
To determine which Swivl generation you are using, you can use the images and distinguishing characteristics listed below.

 

C Series

c-series  
  • Round, gray and white base
  • Marker has 4-way directional pad
  • Connects with Swivl lightning cable
  • Base has power and (+) buttons

Gen2

generation2  
  • Round, black and white base
  • Marker has left and right arrow buttons
  • Connects with Bluetooth and audio cable
  • Base has power and ‘Refresh’ buttons
  • Magnetic flap over the Marker dock
 

Gen1

generation1  
  • Black and green base
  • Round Marker
  • No connection cable