Customer reviews

3.9 out of 5 stars
3.9 out of 5
339 customer ratings
5 star 61% (61%) 61%
4 star 8% (8%) 8%
3 star 10% (10%) 10%
2 star 5% (5%) 5%
1 star 16% (16%) 16%
How does Amazon calculate star ratings?