Customer reviews

3.2 out of 5 stars
3.2 out of 5
170 customer ratings
5 star 35% (35%) 35%
4 star 14% (14%) 14%
3 star 13% (13%) 13%
2 star 12% (12%) 12%
1 star 25% (25%) 25%
How does Amazon calculate star ratings?