Customer reviews

4.4 out of 5 stars
4.4 out of 5
90 customer ratings
5 star 65% (65%) 65%
4 star 19% (19%) 19%
3 star 10% (10%) 10%
2 star 4% (4%) 4%
1 star 2% (2%) 2%
How does Amazon calculate star ratings?