Customer reviews

3.7 out of 5 stars
3.7 out of 5
15 customer ratings
5 star 15% (15%) 15%
4 star 45% (45%) 45%
3 star 30% (30%) 30%
2 star 9% (9%) 9%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?