The DocuPen R700 is a perfect example of the growing trend towards miniaturisation. It weighs in at just two ounces, is only eight inches long and less than an inch in height and width – probably the smallest commercial scanner in the world. So it is a tiny, cordless, battery-operated unit that looks cool and suits the dimensions of your briefcase or laptop bag. But is it any good?

If portability is your goal, the DocuPen is for you. Whether you are in an aeroplane, at a library, or sitting on a park bench you can scan any document you like – perfect for a globetrotting investigator, perhaps. The DocuPen stores the scan until you download it to your computer. The internal battery is recharged through the supplied USB cable.