Customer reviews

4.1 out of 5 stars
4.1 out of 5
31 customer ratings
5 star 64% (64%) 64%
4 star 13% (13%) 13%
3 star 3% (3%) 3%
2 star 4% (4%) 4%
1 star 15% (15%) 15%
How does Amazon calculate star ratings?