Quantum Combo Set of Hi-Tech QHM 7403/222 Wired USB Mouse with Keyboard and USB 4 Port Hub (Multicolor)

QHM 7403 Keyboard Compact size for space savingKey pressure:55g,comfortable feeling,effectively reducing typing stressNoiseless design for near zero working environmentDimension:45.5x16.4x2.1cmsSuitable port:PS2/USBLife:span of operation:10,000,000timesCompatible with windows 98/2000/ME/NT/XP/Vista/Linux/Window 7/Window 8/Window 8.1 222 Wired USB Mouse Compact size for spacePowerful optical sensor for optimum accuracyConvenient for both left and right hand usersLights:optimalSystem requirements:Win XP,Win Vista , Win 7, Win 8,Win 10 USB 4 Port Hub 6633 4 USB ports standard A type up to 100mA current per port The QHMPL hub provides full over current protection"QHMPL USB HUB supports the following signaling rates Low speed rates of 1.5 Mbits/s (183kB/s) as is defined by USB 1.1 Full speed rate of 12 Mbits/s(1.43 MB/s) the basic USB data rate defined by USB 1.1 High speed (USB 2.0) rate of 480 Mbit/s(57 MB/s)"QHMPL Hub is capable of chaining up to 127 USB devicesTruly plug & play including windows 98,2000,ME,XP,Vista,WIN 7,WIN 8,WIN 9 and WIN 10Mac Linux virtually all OSUSB 2.0 and ACPI compalaint"IBM compatible PC or i-Mac PC(OS8.6) I-Mac,I-Book,G3,G4....IBM/MAC.