Customer reviews

3.7 out of 5 stars
3.7 out of 5
1,704 customer ratings
5 star 53% (53%) 53%
4 star 10% (10%) 10%
3 star 10% (10%) 10%
2 star 8% (8%) 8%
1 star 18% (18%) 18%
How does Amazon calculate star ratings?