Customer reviews

3.1 out of 5 stars
3.1 out of 5
42 customer ratings
5 star 25% (25%) 25%
4 star 21% (21%) 21%
3 star 17% (17%) 17%
2 star 11% (11%) 11%
1 star 26% (26%) 26%
How does Amazon calculate star ratings?