The Sound Bar clips on to the top of your notebook screen so you can listen to music when you are on the go & save space at the same time. Simply fix it onto your notebook, plug in the USB (Universal Serial Bus) cable & off you go! When you have finished, wrap the USB (Universal Serial Bus) cable in the slot around the Sound Bar & store it back in its pouch. USB plug for power & play With plug-&-play convenience, the USB (Universal Serial Bus) cable plugs directly into any USB (Universal Serial Bus) port & your notebook automatically recognises this as a removable USB (Universal Serial Bus) mass storage device. Works with MAC & PC.