The Z130 Speakers from Logitech are an affordable straightforward, easy-to setup and easy-to-use solution for your laptop or desktop audio needs. These speakers push a total of 5 watts of power and deliver clear, strong sound. Built-in to the speakers is a 3.5 mm headphone jack as well as a power and volume control knob. To get started, connect a 3.5 mm cable from the audio input jack on the back of the speakers to a 3.5 mm audio output jack on your laptop or on your desktop’s sound card.