Please note that this keyboard is uk qwerty device interface usb keyboard layout enhanced performance number of keys 104 technical details colour of product black keyboard function keys multimedia programmable io ports 2 x usb 4 pin usb type a weight amp dimensions keyboard weight 1300g keyboard dimensions wxdxh 470 x 203 x 38 mm environmental conditions operating temperature range t t 10 40c operating relative humidity range 8 80 other featuresnb