Customer reviews

4.1 out of 5 stars
4.1 out of 5
42 customer ratings
5 star 60% (60%) 60%
4 star 12% (12%) 12%
3 star 8% (8%) 8%
2 star 15% (15%) 15%
1 star 6% (6%) 6%
How does Amazon calculate star ratings?