Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,747 customer ratings
5 star 67% (67%) 67%
4 star 19% (19%) 19%
3 star 6% (6%) 6%
2 star 3% (3%) 3%
1 star 5% (5%) 5%
How does Amazon calculate star ratings?