Customer reviews

4.5 out of 5 stars
4.5 out of 5
2,306 customer ratings
5 star 71% (71%) 71%
4 star 14% (14%) 14%
3 star 7% (7%) 7%
2 star 3% (3%) 3%
1 star 4% (4%) 4%
How does Amazon calculate star ratings?