Computer desk speakers hp The Desktop speaker 2 piece system comes in a compact and stylish design with a convenient desktop control. The USB powered amplifier draws the power through a USB cable / plug. No batteries or AC power source are required. The stereo speaker system is magnetically shielded, has a LED power indicator, a cloth grill, a volume control and a headphone output jack. Key Features - USB powered stereo speaker for your PC - Magnetically shielded - Headphone output jack - Integrated volume control - Awesome output