Customer reviews

3.3 out of 5 stars
3.3 out of 5
5 customer ratings
5 star 56% (56%) 56%
4 star 0% (0%) 0%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 44% (44%) 44%
How does Amazon calculate star ratings?