Customer reviews

3.7 out of 5 stars
3.7 out of 5
37 customer ratings
5 star 56% (56%) 56%
4 star 4% (4%) 4%
3 star 9% (9%) 9%
2 star 14% (14%) 14%
1 star 17% (17%) 17%
How does Amazon calculate star ratings?