This Review Title is A complete piece of crap...... and the content is: Surprised and disappointed Amazon even sells this type of crap.  #1  reason.....you CAN NOT use anywhere.  Requires a power adaptor and only comes with a USB adaptor.  I guess you can do you nails while working on the computer..There are other information for this review, one is This reviewer did purchase it and the other is 1 people think this review is helpful.