We will be using only the D-3 here, thanks to me being too lazy to deal with cards and whatnot. It has many features like any other digivice, and just for the sake of 'wootness'.. I'll add in a list of other features it can use, too.

• Digivolution
  
• Ultimate digivolution (w/ crest)
  
• Warp digivolution
  
• Mega digivolution
  
• Biomerge digivolution
  
• DNA - Ultimate
  
• DNA evolution - Mega
  
• DNA - Mega
  
• Data Storage
  
• Digimon Storage

Some other misc features include a clock, digimon scanning, digivice tracker, and other things.

A D-Terminal comes along with the D-3, which does some other feature thingamabobs.

• Crest holding
  
• Digi-Egg Holding
  
• Armor digivolution
  
• E-Mail