Customer reviews

3.1 out of 5 stars
3.1 out of 5
193 customer ratings
5 star 45% (45%) 45%
4 star 5% (5%) 5%
3 star 3% (3%) 3%
2 star 4% (4%) 4%
1 star 42% (42%) 42%
How does Amazon calculate star ratings?