Customer reviews

4.4 out of 5 stars
4.4 out of 5
234 customer ratings
5 star 68% (68%) 68%
4 star 18% (18%) 18%
3 star 7% (7%) 7%
2 star 3% (3%) 3%
1 star 4% (4%) 4%
How does Amazon calculate star ratings?