Customer reviews

4.1 out of 5 stars
4.1 out of 5
2,433 customer ratings
5 star 63% (63%) 63%
4 star 10% (10%) 10%
3 star 10% (10%) 10%
2 star 6% (6%) 6%
1 star 11% (11%) 11%
How does Amazon calculate star ratings?