This keyboard/trackball combo works well if you're sitting bolt upright at your desk with the USB receiver six inches away. But anywhere from 6 feet out in any position a couch potato might assume it starts dropping letters with annoying regularlity. This is not an HTPC lap keyboard so it's going back. Try typing a few passwords with this thing and you'll see how frustrating it is. Too bad, because it looks pretty rugged and has some nice touches, like a right mouse button next to he trackball as well as on the left side of the keyboard. Hoped I could avoid paying $100 plus for another Gyration air mouse and keyboard (having dropped and broken several) but in thi cas you apparently get what you pay or (I deliberately left that part uncorrected so you see what I mean).