Customer reviews

3.9 out of 5 stars
3.9 out of 5
1,902 customer ratings
5 star 52% (52%) 52%
4 star 15% (15%) 15%
3 star 13% (13%) 13%
2 star 6% (6%) 6%
1 star 14% (14%) 14%
How does Amazon calculate star ratings?