Customer reviews

3.8 out of 5 stars
3.8 out of 5
4,707 customer ratings
5 star 50% (50%) 50%
4 star 14% (14%) 14%
3 star 12% (12%) 12%
2 star 8% (8%) 8%
1 star 15% (15%) 15%
How does Amazon calculate star ratings?