Customer reviews

4.5 out of 5 stars
4.5 out of 5
579 customer ratings
5 star 75% (75%) 75%
4 star 12% (12%) 12%
3 star 5% (5%) 5%
2 star 3% (3%) 3%
1 star 5% (5%) 5%
How does Amazon calculate star ratings?