Customer reviews

3.5 out of 5 stars
3.5 out of 5
320 customer ratings
5 star 41% (41%) 41%
4 star 15% (15%) 15%
3 star 13% (13%) 13%
2 star 12% (12%) 12%
1 star 19% (19%) 19%
How does Amazon calculate star ratings?