The Targus Ultra-Mini USB 2.0 4-Port Hub (ACH114US) is a compact and portable device that allows you to easily expand the number of USB ports on your computer. With a 1:4 connection split, you can connect up to 4 USB devices at once, making it perfect for expanding your connectivity options. The hub features USB 2.0 compatibility and a cable length of 0.5 feet, making it convenient for use with a variety of devices. Overall, this Targus hub is a reliable and efficient solution for expanding your computer's USB capabilities.