Customer reviews

4.2 out of 5 stars
4.2 out of 5
34 customer ratings
5 star 50% (50%) 50%
4 star 25% (25%) 25%
3 star 18% (18%) 18%
2 star 7% (7%) 7%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?