Customer reviews

4.7 out of 5 stars
4.7 out of 5
1,411 customer ratings
5 star 80% (80%) 80%
4 star 12% (12%) 12%
3 star 4% (4%) 4%
2 star 2% (2%) 2%
1 star 2% (2%) 2%
How does Amazon calculate star ratings?