Customer reviews

4.1 out of 5 stars
4.1 out of 5
103 customer ratings
5 star 50% (50%) 50%
4 star 26% (26%) 26%
3 star 11% (11%) 11%
2 star 7% (7%) 7%
1 star 5% (5%) 5%
How does Amazon calculate star ratings?