Customer reviews

3.2 out of 5 stars
3.2 out of 5
7 customer ratings
5 star 14% (14%) 14%
4 star 49% (49%) 49%
3 star 0% (0%) 0%
2 star 18% (18%) 18%
1 star 18% (18%) 18%
How does Amazon calculate star ratings?