• Keyboard and mouse set • wireless • 2.4 GHz • English • US With softly rounded keys, a full-size layout, and a palm rest, this keyboard treats your hands right. The mouse keeps your hand happy and supported with contoured sides and soft rubber grips. The mouse and keyboard are so energy efficient you just might forget they use batteries at all. Technical Specifications: Battery Form Factor: AA type Installed Qty: 3 Technology: Alkaline Cable Connectivity Details Type: USB extension cable Input Device Connectivity Technology: Wireless Form Factor: External Interface: 2.4 GHz Keyboard Features: Logitech Incurve keys,Logitech Unifying receiver Keyboard Type: Keyboard Localization and Layout: English - US Movement Detection Technology: Laser Pointing Device Features: Wireless Pointing Device Manipulator: Mouse Product Type: Keyboard and mouse set Type: Keyboard Wireless Receiver: USB wireless receiver Miscellaneous Compliant Standards: Plug and Play Microsoft Certification: Compatible with Windows 7 Service Support Details Full Contract Period: 3 years Support Details Type: Limited warranty Slot Provided Type: None Software Type: Drivers & Utilities System Requirements Min Operating System: Microsoft Windows Vista / XP / 7 Cable Details Form Factor: External Included Qty: 1 Input Device (2nd) Features: Wireless Movement Detection Technology: Laser Type: Mouse Service & Support Type: 3 years warranty