The Ativa 4-Port USB 3.0 Powered Portable Hub/Splitter Box in black is a versatile device that allows you to easily connect multiple USB devices to a single port. With a 1:4 connection split/duplication, this hub/splitter box is compatible with universal brands and models, making it a convenient and practical choice for expanding your computer's connectivity. The powered design ensures that your devices receive sufficient power and the compact size makes it easy to carry around for on-the-go use. Overall, this Ativa hub/splitter box is a reliable and efficient solution for managing your USB connections.