Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Spend the extras $ on reliable product

My device did operate more than once. However, it appears to depend on the computer...or maybe it is the weather...or the time of day. I really don't know when this thing will or will not operate. This appeared to be a good deal at the time, but it's lack of consistent performance means $50 wasted. Meantime, I am back to using my 1GB Memorex...