Customer reviews

3.3 out of 5 stars
3.3 out of 5
3 customer ratings
5 star 57% (57%) 57%
4 star 0% (0%) 0%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 43% (43%) 43%
How does Amazon calculate star ratings?