Buy another one not worth the price listed...

So this is a cool idea however it does not come with an adapter for the usb cord!!! Why the heck not??... makes no sense to sell this item with out it! It does take batteries except they don't last long you have to replace them every week if you use it every night. I would say get one that can have a cord thats long enough with an adapter or one that last longer with batteries...

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