Customer reviews

3.9 out of 5 stars
3.9 out of 5
6 customer ratings
5 star 34% (34%) 34%
4 star 20% (20%) 20%
3 star 46% (46%) 46%
2 star 0% (0%) 0%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?