Customer reviews

3.3 out of 5 stars
3.3 out of 5
3 customer ratings
5 star 30% (30%) 30%
4 star 35% (35%) 35%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 34% (34%) 34%
How does Amazon calculate star ratings?