Smartti SMT-202B-USB USB PC Speaker Set. High quality USB Smartti Speaker SMT 202B USB RMS 2x3W Volume/Headphone. It comes in a sleek black color and is also USB powered. Very easy to install, just plug the USB cord into the USB port on your computer. This is a nice, cheap solution to getting sound from your USB device. It is perfect for a work environment, and casual home use. Watch videos and call on skype! Smartti SMT-202B-USB USB PC Speaker Set.