Customer reviews

4.2 out of 5 stars
4.2 out of 5
711 customer ratings
5 star 65% (65%) 65%
4 star 12% (12%) 12%
3 star 9% (9%) 9%
2 star 3% (3%) 3%
1 star 10% (10%) 10%
How does Amazon calculate star ratings?