Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,800 customer ratings
5 star 65% (65%) 65%
4 star 20% (20%) 20%
3 star 6% (6%) 6%
2 star 1% (1%) 1%
1 star 7% (7%) 7%
How does Amazon calculate star ratings?