Customer reviews

2.8 out of 5 stars
2.8 out of 5
3 customer ratings
5 star 0% (0%) 0%
4 star 40% (40%) 40%
3 star 0% (0%) 0%
2 star 60% (60%) 60%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?