Hercules XPS 2.0 10 Black Edition. RMS rated power: 5 W, Peak Music Power Output (PMPO): 10 W. Headphone connectivity: 3.5 mm. Minimum system requirements: Mac. Mp3. iPod. DVD. CD. TV.. Type: Portable speakers, Dimensions (WxDxH): 25 x 6.5 x 6 mm, Audio output channels: 2.0