Customer reviews

3.6 out of 5 stars
3.6 out of 5
12 customer ratings
5 star 49% (49%) 49%
4 star 22% (22%) 22%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 29% (29%) 29%
How does Amazon calculate star ratings?