Customer reviews

3.9 out of 5 stars
3.9 out of 5
314 customer ratings
5 star 53% (53%) 53%
4 star 12% (12%) 12%
3 star 14% (14%) 14%
2 star 9% (9%) 9%
1 star 12% (12%) 12%
How does Amazon calculate star ratings?