Shark Rocket Orange vs Shark Rocket Blue
images from manufacturer

Well, the Shark Rocket comes in Orange and Blue. As for the vacuum body, the orange one is the same as the blue one.

The difference between them might be the cord length and accessories they come with.

According to the info on Shark website, the cord length of Shark Rocket could be 27″, 30″ or 32″, depends on the model you buy.

They may come with the following tools:
Dusting Brush, Wide Upholstery Tool, 12-inch Crevice Tool, Wall Mount, Dust Away Attachment Kit, and Accessories Bag; some versions might also include a Car Detail Kit. To find out specifically what attachments are in the version you are going to buy, consult the seller before purchasing. Generally speaking, the one comes with more accessories will be more expensive.