Customer reviews

3.5 out of 5 stars
3.5 out of 5
583 customer ratings
5 star 42% (42%) 42%
4 star 14% (14%) 14%
3 star 14% (14%) 14%
2 star 12% (12%) 12%
1 star 19% (19%) 19%
How does Amazon calculate star ratings?