Customer reviews

3.5 out of 5 stars
3.5 out of 5
17 customer ratings
5 star 50% (50%) 50%
4 star 8% (8%) 8%
3 star 10% (10%) 10%
2 star 10% (10%) 10%
1 star 23% (23%) 23%
How does Amazon calculate star ratings?