Harman International Industries has launched the JBL Pebbles Stereo Computer Speaker System. The speakers are powered by your USB port. They also feature an AUX-in port for your smartphone for MP3 player. The speakers feature dual 50 mm drivers, 80 Hz to 20kHz. They use digital signal processing and SlipSTream technology. The speakers resemble little wheels. They cost $59.95 per pair and be found here
on the JBL estore.