Customer reviews

3.6 out of 5 stars
3.6 out of 5
2,163 customer ratings
5 star 51% (51%) 51%
4 star 10% (10%) 10%
3 star 9% (9%) 9%
2 star 8% (8%) 8%
1 star 22% (22%) 22%
How does Amazon calculate star ratings?