Customer reviews

3.4 out of 5 stars
3.4 out of 5
49 customer ratings
5 star 40% (40%) 40%
4 star 11% (11%) 11%
3 star 16% (16%) 16%
2 star 10% (10%) 10%
1 star 23% (23%) 23%
How does Amazon calculate star ratings?