Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
Blender is only good for liquids. Any non liquid produce sticks to the blade and doesn't chop it at all. Also very hard to clean. I'm very disappointed and unfortunately not able to return the product. I wish I had bought a NutriBullet again.