Customer reviews

4.4 out of 5 stars
4.4 out of 5
496 customer ratings
5 star 67% (67%) 67%
4 star 18% (18%) 18%
3 star 8% (8%) 8%
2 star 4% (4%) 4%
1 star 3% (3%) 3%
How does Amazon calculate star ratings?