Customer reviews

4.2 out of 5 stars
4.2 out of 5
77 customer ratings
5 star 63% (63%) 63%
4 star 17% (17%) 17%
3 star 8% (8%) 8%
2 star 7% (7%) 7%
1 star 5% (5%) 5%
How does Amazon calculate star ratings?