Customer reviews

2.9 out of 5 stars
2.9 out of 5
7 customer ratings
5 star 28% (28%) 28%
4 star 17% (17%) 17%
3 star 0% (0%) 0%
2 star 26% (26%) 26%
1 star 29% (29%) 29%
How does Amazon calculate star ratings?