Customer reviews

3.9 out of 5 stars
3.9 out of 5
999 customer ratings
5 star 47% (47%) 47%
4 star 23% (23%) 23%
3 star 12% (12%) 12%
2 star 6% (6%) 6%
1 star 12% (12%) 12%
How does Amazon calculate star ratings?