hama USB 2.0 Hub 1:4 bus Powered. Hama USB 2.0 Hub give you 4 extra ports (mouse, keyboard, printer, USB memory stick) to one USB port). With the Hama Hub, you can be uploading photos from your camera, listening to your iPod and having a Skype chat. The Hub includes bus overvoltage protection for PCs preventing a short circuit. High-speed data transfer of up to 480 Mbps Topside socket allows you to plug USB devices in on the top Great distance between sockets makes it easier to plug in wider USB plugs/dongles For connecting up to 4 USB devices Bus powered, that is, power supply via the USB socket of a PC/notebook Integrated USB cable for connection with a PC/notebook Suitable and tested for USB 2.0, downward compatible with USB 1.1