This USB hub is with 4 ports, plug & play and hot swapping support. Light weight and easily portable. Features: 100% Brand New. USB hub with 4-port. Fully compatible with the Universal Serial Bus Specification version1.1/2.0, Supports 480Mbits full speed. Perfect for connecting USB 1.1 or 2.0 peripherals such as USB mice, USB printer, USB scanner, USB Portable Hard Drives, USB CD-R/RW or DVD-ROM drives and USB 1.1 hubs. Plug & Play and hot swapping support. Light weight and easily portable. Friendly and ergonomic design. Individual port over-current protection. Support OS: Win95/98/2000/ME/XP. Specifications: Cord length: 50cm / 19.69in Color: Black Net weight: 49g / 1.73oz Package List: 1 * USB 2.0 4 Port Hub