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Given an Amazon customer review, write a title for the review. The preferred titles are under fifteen words.

I have no idea how to use this. I read the quick start guide. I installed the software. Computer says hardware is working properly. But now what? How do I pair it with my headphones? Quick Start guide does not say. There is no program in my program list that says bluetooth. The manual on the disk tries to contact a non-existent web page when you click on "how to listen to music with bluetooth headphones." There is no tech support number. Pressing the pairing button on my headphones produces no result on the computer. Useless!
Output:
Useless!