Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: not satisfied

http://www.amazon.com/gp/product/B00006HOKR/ref=cm_cr_rev_prod_title this product says its being slod as a ghost box but it does not work like it should. it has no white noise to be heard on either frequency. i do not recommend this to anyone, but if anyone has any information on how it is suppose to be used please tell me