Customer reviews

3.6 out of 5 stars
3.6 out of 5
7 customer ratings
5 star 40% (40%) 40%
4 star 20% (20%) 20%
3 star 0% (0%) 0%
2 star 40% (40%) 40%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?