Customer reviews

4.4 out of 5 stars
4.4 out of 5
328 customer ratings
5 star 77% (77%) 77%
4 star 8% (8%) 8%
3 star 4% (4%) 4%
2 star 3% (3%) 3%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?