Customer reviews

4.2 out of 5 stars
4.2 out of 5
133 customer ratings
5 star 64% (64%) 64%
4 star 13% (13%) 13%
3 star 10% (10%) 10%
2 star 5% (5%) 5%
1 star 9% (9%) 9%
How does Amazon calculate star ratings?