Customer reviews

3.4 out of 5 stars
3.4 out of 5
2 customer ratings
5 star 47% (47%) 47%
4 star 0% (0%) 0%
3 star 0% (0%) 0%
2 star 53% (53%) 53%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?