Customer reviews

4.4 out of 5 stars
4.4 out of 5
49 customer ratings
5 star 66% (66%) 66%
4 star 21% (21%) 21%
3 star 8% (8%) 8%
2 star 0% (0%) 0%
1 star 5% (5%) 5%
How does Amazon calculate star ratings?