Customer reviews

2.3 out of 5 stars
2.3 out of 5
5 customer ratings
5 star 18% (18%) 18%
4 star 0% (0%) 0%
3 star 19% (19%) 19%
2 star 24% (24%) 24%
1 star 40% (40%) 40%
How does Amazon calculate star ratings?