The color schemes and the audible rumble are fun additions.

8BitDo’s N30 Pro was a fun controller that married classic NES aesthetics with modern controls. Its sequel—the N30 Pro 2—adds new features without changing much. For better or worse, it features the same balance of portability and comfort, while adding rumble, tilt controls, and USB-C charging. But since the release of the Super Nintendo-themed SN30 Pro it’s been hard to recommend the N30 Pro. The updates do little to change that.
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https://www.pcworld.com/article/3326531/gaming/8bitdo-n30-pro-2-review.html