Customer reviews

3.1 out of 5 stars
3.1 out of 5
7 customer ratings
5 star 15% (15%) 15%
4 star 27% (27%) 27%
3 star 26% (26%) 26%
2 star 15% (15%) 15%
1 star 17% (17%) 17%
How does Amazon calculate star ratings?