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.
Unexpectedly Appalling quality from Bose. The rubber and buttons fell apart within first year, the glue sticking the outer soft touch rubber together was poor quality. The earphones also kept Dropping the phone. Overall, extremely poor experience, will never buy Bose again. Also, no response from Bose, when the. Issue was brought to their attention.