Customer reviews

3.9 out of 5 stars
3.9 out of 5
1,618 customer ratings
5 star 54% (54%) 54%
4 star 17% (17%) 17%
3 star 12% (12%) 12%
2 star 6% (6%) 6%
1 star 12% (12%) 12%
How does Amazon calculate star ratings?