Customer reviews

3.8 out of 5 stars
3.8 out of 5
5 customer ratings
5 star 58% (58%) 58%
4 star 15% (15%) 15%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 27% (27%) 27%
How does Amazon calculate star ratings?