nice little usb speakers for under £10 have a set for a laptop sound is ok and easy to use.
These highly portable speakers can be taken anywhere and offer high quality sound so you can enjoy your music. Featuring straightforward plug and play via a USB port with no batteries or power outlet required, the Altec Lansing Stereo USB Speakers are designed to be simple to use.
The Orbit USB Stereo will amplify and enhance the sound of your laptop, netbook or computer. Ideal for when your on the move, the speakers will interlock when not in use to take up only a small amount of room in your bag, and the cord can be stowed away in the side of the speaker so it doesn't get tangled up.