Customer reviews

2.3 out of 5 stars
2.3 out of 5
9 customer ratings
5 star 25% (25%) 25%
4 star 0% (0%) 0%
3 star 16% (16%) 16%
2 star 0% (0%) 0%
1 star 60% (60%) 60%
How does Amazon calculate star ratings?