Customer reviews

2.8 out of 5 stars
2.8 out of 5
17 customer ratings
5 star 27% (27%) 27%
4 star 8% (8%) 8%
3 star 15% (15%) 15%
2 star 14% (14%) 14%
1 star 36% (36%) 36%
How does Amazon calculate star ratings?