Customer reviews

3.6 out of 5 stars
3.6 out of 5
11 customer ratings
5 star 56% (56%) 56%
4 star 9% (9%) 9%
3 star 0% (0%) 0%
2 star 13% (13%) 13%
1 star 22% (22%) 22%
How does Amazon calculate star ratings?