Factory-renewed Bose Companion 3 Series II multimedia speaker system Factory-renewed product offers first-quality performance and same warranty as new product 2.5" satellite speakers deliver lifelike, spacious sound for computer audio sources Dual inputs to enjoy two audio sources simultaneously, one to your computer and the other to an iPod or portable audio device Intuitive and convenient control pod houses volume control, headphone jack and connection for a second audio source such as an MP3 player Proprietary TrueSpace stereo signal processing circuitry