Customer reviews

2.9 out of 5 stars
2.9 out of 5
8 customer ratings
5 star 33% (33%) 33%
4 star 0% (0%) 0%
3 star 20% (20%) 20%
2 star 21% (21%) 21%
1 star 26% (26%) 26%
How does Amazon calculate star ratings?