Customer reviews

4.2 out of 5 stars
4.2 out of 5
520 customer ratings
5 star 69% (69%) 69%
4 star 10% (10%) 10%
3 star 8% (8%) 8%
2 star 3% (3%) 3%
1 star 11% (11%) 11%
How does Amazon calculate star ratings?