Customer reviews

4.2 out of 5 stars
4.2 out of 5
166 customer ratings
5 star 63% (63%) 63%
4 star 14% (14%) 14%
3 star 9% (9%) 9%
2 star 7% (7%) 7%
1 star 7% (7%) 7%
How does Amazon calculate star ratings?