Customer reviews

3.9 out of 5 stars
3.9 out of 5
1,344 customer ratings
5 star 54% (54%) 54%
4 star 17% (17%) 17%
3 star 10% (10%) 10%
2 star 10% (10%) 10%
1 star 10% (10%) 10%
How does Amazon calculate star ratings?