Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,324 customer ratings
5 star 68% (68%) 68%
4 star 17% (17%) 17%
3 star 8% (8%) 8%
2 star 3% (3%) 3%
1 star 4% (4%) 4%
How does Amazon calculate star ratings?