The 7th Generation iPod Nano is not only differed in the appearance it has but also changed in many other features from the 6th Generation model. The 2.5-inch screen and size of the 7th Generation iPod nano are much larger and more prominent, and the inclusion of a Home button is making it more innovative as the feature appeared only in the iOS devices such as iPad and iPhone.

Source:-https://devinsmith007.wordpress.com/2020/02/13/7th-generation-ipod-nano-specs-and-hardware-explained/