Customer reviews

4.1 out of 5 stars
4.1 out of 5
70 customer ratings
5 star 60% (60%) 60%
4 star 21% (21%) 21%
3 star 3% (3%) 3%
2 star 4% (4%) 4%
1 star 11% (11%) 11%
How does Amazon calculate star ratings?