Customer reviews

3.8 out of 5 stars
3.8 out of 5
5 customer ratings
5 star 55% (55%) 55%
4 star 0% (0%) 0%
3 star 20% (20%) 20%
2 star 25% (25%) 25%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?