Customer reviews

3.4 out of 5 stars
3.4 out of 5
134 customer ratings
5 star 37% (37%) 37%
4 star 17% (17%) 17%
3 star 15% (15%) 15%
2 star 13% (13%) 13%
1 star 19% (19%) 19%
How does Amazon calculate star ratings?