Hercules XPS 2.0 35 USB Multimedia Speakers 2.0 speaker system, powered by a computers USB port: the mobile audio solution Total power: 5 watts RMS (2 x 2.5W). Peak power: 10 watts Satellite speakers are magnetically shielded so as not to disturb your surroundings Headphone jack and microphone input on the front of the control speaker Master volume control knob on the front of the control speaker "Piano-like" finish on front of the speakers A protective carrying case is included