This 4-port USB 2.0 hub features an octopus-style design that accommodates bulky USB devices like thumb drives, which often don't work with standard hubs. Ideal for laptops with hard-to-reach ports and portable use, it allows simultaneous operation of up to four devices through a single USB port. Compatible with USB 1.1 and 2.0 peripherals including mice, portable hard drives, CD/DVD drives, and USB hubs. Includes 4 units in the package.