4 USB high speed ports
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 

Hot swapping technology meaning plugs can be taken in or out even when plugged in

Light weight and easily portable

Each port has its own over current protection

Cable length around 40 cm

Best offer accepted for quantities of 2 or more