Customer reviews

3.3 out of 5 stars
3.3 out of 5
15 customer ratings
5 star 43% (43%) 43%
4 star 17% (17%) 17%
3 star 0% (0%) 0%
2 star 9% (9%) 9%
1 star 31% (31%) 31%
How does Amazon calculate star ratings?