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.
Great little arm band. Still a bit hard to get my device into as I love my waterproof protective cover but it is much better than the last one I had. I like the reflective strips and the little places to hold my keys and headphone