Customer reviews

4.6 out of 5 stars
4.6 out of 5
277 customer ratings
5 star 74% (74%) 74%
4 star 18% (18%) 18%
3 star 3% (3%) 3%
2 star 2% (2%) 2%
1 star 2% (2%) 2%
How does Amazon calculate star ratings?