Customer reviews

4.4 out of 5 stars
4.4 out of 5
153 customer ratings
5 star 66% (66%) 66%
4 star 17% (17%) 17%
3 star 9% (9%) 9%
2 star 2% (2%) 2%
1 star 6% (6%) 6%
How does Amazon calculate star ratings?