Customer reviews

4.4 out of 5 stars
4.4 out of 5
37 customer ratings
5 star 71% (71%) 71%
4 star 13% (13%) 13%
3 star 7% (7%) 7%
2 star 5% (5%) 5%
1 star 4% (4%) 4%
How does Amazon calculate star ratings?