Description Reliable wireless - wherever you use your keyboard - thanks to the Logitech Unifying receiver that pairs with up to six Unifying-compatible mice and keyboards. General Device Type Keyboard - wireless Interface 2.4 GHz Max Operating Distance Up to 10 m Wireless Receiver USB wireless receiver Input Device Hot Keys Qty 8 Hot Keys Function Internet browsing, e-mail, volume, play/pause Layout Nordic Features Logitech Unifying receiver, spill-resistant Miscellaneous Compliant Standards Plug and Play Compatible with Windows 7 Compatible with Windows 7 software and devices carry Microsoft’s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7. Software & System Requirements OS Required Microsoft Windows 7, Microsoft Windows Vista / XP Battery Type AAA type Installed Qty 2 Information Country: CNWidth: 155.0Height: 35.0Net Weight: 630.0 kg