Customer reviews

3.5 out of 5 stars
3.5 out of 5
11 customer ratings
5 star 27% (27%) 27%
4 star 42% (42%) 42%
3 star 0% (0%) 0%
2 star 12% (12%) 12%
1 star 19% (19%) 19%
How does Amazon calculate star ratings?