Customer reviews

3.7 out of 5 stars
3.7 out of 5
39 customer ratings
5 star 48% (48%) 48%
4 star 12% (12%) 12%
3 star 20% (20%) 20%
2 star 0% (0%) 0%
1 star 20% (20%) 20%
How does Amazon calculate star ratings?