Customer reviews

4.5 out of 5 stars
4.5 out of 5
843 customer ratings
5 star 79% (79%) 79%
4 star 7% (7%) 7%
3 star 7% (7%) 7%
2 star 3% (3%) 3%
1 star 5% (5%) 5%
How does Amazon calculate star ratings?