Microsoft’s Universal Mobile Keyboard is an $80 Bluetooth keyboard designed to work with Windows, Android, or iOS devices. But if a 9 inch wide keyboard doesn’t seem particularly portable enough, you ...

Imagine a keyboard that you can carry around like a wallet—almost as thin as paper, just a few millimeters—and that works with any smartphone or tablet, be it Android, iOS or Windows Phone. This is ...

Which foldable keyboard is best? Maybe you want to work on your next great novel on your iPad and don’t like the touch keyboard taking up so much of the screen. Maybe you want to type up long messages ...