The Mi Micro Innovations 4-Port USB Hub Model USB843S is a universal hub/splitter box that provides four additional USB ports for connecting various devices to your computer. With a USB connector A, it allows for easy expansion and increases the connectivity options for your devices. While the item is sold as open box and never used, it offers a convenient solution for expanding your computer's USB capabilities. Ideal for those looking to enhance their connectivity options, this USB hub from Micro Innovations is a reliable choice for efficient data transfer and device connectivity.