In a port of difficulty?As a result of the rapid technological advancement many households and offices in addition to a PC/notebook mouse and keyboard also have scanners and several printers; some even have more than one monitor for each computer. Having all of these all of which require connection via a USB port can prove problematic with many PC/notebooks only having a very limited number of USB ports. As a result you may have found yourself changing the connected devices as and when you require to use them which is timely and inconvenient. With the Hama USB 2.0 Hub 1:4 Bus-Powered this can be made a thing of the past!More ports = more connections!The fantastic USB 2.0 Hub from Hama suitable for Windows 2000/XP/Vista/7 und Mac OS 9.x and downward compatible with USB 1.1 has been specifically designed to increase the number of USB ports on your computer by 4. This means your printers scanners mouse keyboard and more can all be connected up to your PC or notebook at the same time. This is made possible via an integrated high quality USB connecting cable boasting a data transfer rate of up to an impressive 480 Mbit/s.The hub is bus powered (voltage supply via USB bus/computer) and has a bus overvoltage protection for the PC included in case short circuit of the peripherals. Increase the number of USB ports you have to play with today with the brilliant Hama USB 2.0 Hub!- For connecting up to 4 USB devices (e.g. mouse keyboard printer scanner) to one USB port- USB 2.0 downward compatible with USB 1.1- For data transfer rates of up to 480 Mbit/s- Bus-powered i.e. voltage supply via USB bus/computer- Bus overvoltage protection for PC (in case of short circuit of the peripherals) included- Integrated high-quality USB connecting cableColour: Black Connection Cable: Integrated Model: Bus Powered Number of USB Ports: 4 fold USB Standard: USB 2.0