Customer reviews

4.1 out of 5 stars
4.1 out of 5
133 customer ratings
5 star 63% (63%) 63%
4 star 11% (11%) 11%
3 star 8% (8%) 8%
2 star 7% (7%) 7%
1 star 11% (11%) 11%
How does Amazon calculate star ratings?