Customer reviews

2.8 out of 5 stars
2.8 out of 5
7 customer ratings
5 star 27% (27%) 27%
4 star 6% (6%) 6%
3 star 18% (18%) 18%
2 star 16% (16%) 16%
1 star 32% (32%) 32%
How does Amazon calculate star ratings?