Customer reviews

4.1 out of 5 stars
4.1 out of 5
189 customer ratings
5 star 68% (68%) 68%
4 star 9% (9%) 9%
3 star 6% (6%) 6%
2 star 4% (4%) 4%
1 star 13% (13%) 13%
How does Amazon calculate star ratings?