Model Logitech Z213 Multimedia Speaker Subwoofer with bass sound and a volume control knob on the back Two satellite speakers Total power: 14 watts Wired remote control: on/off, volume control, and headphone jack input Connection: Wired via a 3.5mm audio input. Compatibility: Compatible with any device that has a 3.5mm headphone jack, such as desktop and laptop computers, smartphones, televisions, tablets, and MP3 players. Very clean and in excellent condition.