Customer reviews

4.1 out of 5 stars
4.1 out of 5
14 customer ratings
5 star 68% (68%) 68%
4 star 12% (12%) 12%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 21% (21%) 21%
How does Amazon calculate star ratings?