Customer reviews

4.4 out of 5 stars
4.4 out of 5
4,864 customer ratings
5 star 73% (73%) 73%
4 star 11% (11%) 11%
3 star 5% (5%) 5%
2 star 2% (2%) 2%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?