Customer reviews

4.2 out of 5 stars
4.2 out of 5
3,145 customer ratings
5 star 64% (64%) 64%
4 star 14% (14%) 14%
3 star 7% (7%) 7%
2 star 5% (5%) 5%
1 star 10% (10%) 10%
How does Amazon calculate star ratings?