Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Q: Product received timely. The plug in feature is favorable in that there is no concern of battery failure. Product is easy to use.

A: Positive
****
Q: Worst Nicholas Cage movie ever made. See the Harvey Keitel version for a great watch.

A: Negative
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Q: I got these for my jawbone headset. Many had said they work great. but for the life of me i cant figure out how you get them to work short of superglue and even then they are too quiet to hear so i guess they work on the jabra they are designed for but not the jawbone.

A:
Negative
****