4 SALE is one "NEW" Microsoft 6000 Wireless Keyboard Microsoft 6000 Wireless Keyboard. I received two of these units for Xmas & one is surplus to my needs. I checked & this unit retails for $275 on Amazon.com. I'm asking $75 OBO. Feel free to contact me with any questions you may have. Below are the specs:

　　Detailed item info

　　Product Information

　　The sleek, ultra-thin comfort curve keyboard encourages natural hand and wrist positioning for unprecedented comfort and productivity.

　　Product Identifiers

　　Brand Microsoft

　　Model 6000 V3

　　UPC 4

　　Key Features

　　Product Line Microsoft Wireless Laser Desktop

　　Keyboard Type Standard

　　Interface RF

　　Compatibility Mac, PC

　　Form Factor External

　　Features

　　Localization German

　　Connectors

　　Connections 1 x USB - 4 pin USB Type A

　　Technical Features

　　Operating System Required Apple Mac OS X 10.2 or later, Microsoft Windows Vista, Microsoft Windows XP SP2 7 & 8

　　Connectivity Technology Wireless

　　Movement Detection Technology Laser

　　Miscellaneous

　　Color Black, Silver