Customer reviews

3.7 out of 5 stars
3.7 out of 5
11 customer ratings
5 star 50% (50%) 50%
4 star 19% (19%) 19%
3 star 0% (0%) 0%
2 star 13% (13%) 13%
1 star 17% (17%) 17%
How does Amazon calculate star ratings?