The LENRUE Computer Speakers, model A39PRO, are wired USB-powered soundbars with 10W stereo sound in a sleek black color. These multimedia speakers are designed for desktop computers and offer a 2.0 surround sound channel configuration. The speakers include a knob control for easy volume adjustment and have an impedance of 4 Ohms. The compact dimensions of 12.6"D x 2.56"W x 2.17"H make them suitable for tabletop mounting, and they weigh 530 grams. Ideal for adult users, these computer speakers from Lenrue provide clear and powerful audio for a variety of computer-based activities.