Customer reviews

4.3 out of 5 stars
4.3 out of 5
1,256 customer ratings
5 star 66% (66%) 66%
4 star 15% (15%) 15%
3 star 7% (7%) 7%
2 star 3% (3%) 3%
1 star 9% (9%) 9%
How does Amazon calculate star ratings?