Corsair K55 RGB PRO RGB USB 2.0 Type-A Gaming Keyboard, Rubber Dome Switch, 16.8 Million Colors, Wrist Rest Included, IP42 Rate Protection, Wired Connectivity, Black | CH-9226765-NAItem number : COR-KB-K55-RGB-PRODescription for Corsair K55 RGB PRO RGB USB 2.0 Type-A Gaming Keyboard, Rubber Dome Switch, 16.8 Million Colors, Wrist Rest Included, IP42 Rate Protection, Wired Connectivity, Black | CH-9226765-NAK55 RGB PRO Gaming KeyboardThe CORSAIR K55 RGB PRO Gaming Keyboard lights up your desktop with five-zone dynamic RGB backlighting and powers up your gameplay with six dedicated macro keys.Keyboard CUE SoftwareSupported in iCUEMedia and Volume ControlsYesKeyboard SizeExtended with macro keysWrist Rest IncludedYesKeyboard Report Rate1,000HzKeyboard Form FactorExtended With Macro KeysKeyboard ColorBLACKSwitch TypeRubber DomeKeyboard CompatibilityPC or Mac® with a USB 2.0 Type-A port, Windows® 10, macOS® 10.15 or later, Internet connection for iCUE software downloadKeyboard BacklightingRGBKeyboard LayoutNAKey SwitchesRubber DomeMacro Keys6HID Keyboard Report Rate1,000HzKeyboard Matrix110 KeysKey Rollover12-Key Selective with Anti-GhostingOn Board MemoryYesMedia KeysDedicated HotkeysMedia Controls YNYesWIN LockDedicated HotkeyWrist RestYesKeyboard Cable MaterialTangle-free rubberKeyboard Dimensions481mm x 167mm x 36mmKeyboard ConnectivityWiredWired ConnectivityUSB 2.0 Type-ABattery ChargingYesAdjustable HeightYesSpill Dust ResistantYesKeyboard Type SizeK55Keyboard Product FamilyK55SizeExtended with macro keysWeight1.3 lbs