Customer reviews

3.7 out of 5 stars
3.7 out of 5
10 customer ratings
5 star 28% (28%) 28%
4 star 37% (37%) 37%
3 star 13% (13%) 13%
2 star 22% (22%) 22%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?