Logitech Keyboard and Mouse 920-002836 Wireless Desktop MK320 2.4GHz

Product Description: Logitech Wireless Desktop MK320 keyboard mouse Device Type: Keyboard Connectivity Technology: Wireless - 2.4 GHz Wireless Receiver: USB wireless receiver Key/Button Function: Calculator, e-mail Pointing Device / Manipulator: Mouse Battery: 3 x AA / AAA OS Required: Microsoft Windows Vista / XP / 7 Microsoft Certification: Compatible with Windows 7 Item Dimension (L"xW"xH"): 19 x 8 x 3 Weight: 2.65 lb Warranty Information: 3 Years