Noticed these going cheap. Can't go wrong for 4 quid small present for someone and they are jack and usb. They are small speakers hence the low wattage. Normal instore price £8.99.
Listen to your music in style when you pack along these attractive bright turquoise Saitek Expression USB Petal Print 2.0 PC Speakers. The compact design of these Expression USB Petal Print 2.0 PC Speakers make them perfect for travel or for de-cluttering your desktop.Offering simple plug-and-play operation via USB and 3.5mm input jack, these low-profile Saitek Expression USB Petal Print 2.0 PC Speakers deliver clear stereo audio - lots of style with little fuss
They have another kind here: http://www.currys.co.uk/gbuk/saitek-expression-usb-eternity-2-0-pc-speakers-grey-09659264-pdt.html