Customer reviews

4.4 out of 5 stars
4.4 out of 5
189 customer ratings
5 star 77% (77%) 77%
4 star 5% (5%) 5%
3 star 4% (4%) 4%
2 star 2% (2%) 2%
1 star 11% (11%) 11%
How does Amazon calculate star ratings?