The Gear Head SP1500USB mini PC Computer speakers are fully tested and work great. These portable speaker systems are compatible with universal brands and models, featuring audio inputs for USB and 3.5mm jack connections. With a sleek black color and a 2.0 channel system configuration, these wired speakers provide clear and crisp sound for your computer setup. Perfect for enhancing your audio experience in 2011 and beyond, these Gear Head speakers are a reliable addition to any desktop or laptop setup.