Customer reviews

3.2 out of 5 stars
3.2 out of 5
7 customer ratings
5 star 46% (46%) 46%
4 star 0% (0%) 0%
3 star 16% (16%) 16%
2 star 0% (0%) 0%
1 star 37% (37%) 37%
How does Amazon calculate star ratings?