Customer reviews

4.2 out of 5 stars
4.2 out of 5
1,706 customer ratings
5 star 62% (62%) 62%
4 star 15% (15%) 15%
3 star 10% (10%) 10%
2 star 5% (5%) 5%
1 star 9% (9%) 9%
How does Amazon calculate star ratings?