Customer reviews

3.5 out of 5 stars
3.5 out of 5
6 customer ratings
5 star 44% (44%) 44%
4 star 19% (19%) 19%
3 star 0% (0%) 0%
2 star 19% (19%) 19%
1 star 19% (19%) 19%
How does Amazon calculate star ratings?