The Ascent A3300 replaces the the switch interface of the A2300 and A2500 with more modern touch style panel, which makes clean up much easier with a simple wipe down. The A3300 still has the 1-10 speed dial, along with SELF-DETECT® Technology, and a Digital Timer. Pair it with the Vitamix app and unlock the full potential of the blender with 17 programs and over 500 recipes.