Customer reviews

4.4 out of 5 stars
4.4 out of 5
341 customer ratings
5 star 66% (66%) 66%
4 star 18% (18%) 18%
3 star 7% (7%) 7%
2 star 7% (7%) 7%
1 star 2% (2%) 2%
How does Amazon calculate star ratings?