Customer reviews

4.1 out of 5 stars
4.1 out of 5
145 customer ratings
5 star 66% (66%) 66%
4 star 11% (11%) 11%
3 star 7% (7%) 7%
2 star 4% (4%) 4%
1 star 12% (12%) 12%
How does Amazon calculate star ratings?