Check the listing for details. Microsoft Ergonomic Desktop Keyboard and Mouse Set Black Wired USB RJU-00001. Color: Black, Condition: Open box. Listed at 175.00 USD. I opened it to make sure contents were intact. Unit is brand new. Brand: Microsoft Product Type: Ergonomic Keyboard and Mouse Desktop Set Connectivity: Wired USB Keyboard Layout: Split QWERTY with Numeric Keypad Mouse Features: 2 Programmable Buttons, Precision Tracking Ergonomic Features: Split Keyset, Palm Rest, Domed Shape Color: Black Compatibility: Windows 11 Home/Pro, Windows 10, Windows 8.1, Windows 7 Model: Ergonomic Desktop Special Keys: Office 365, Emojis, Search, Media Controls Wrist Support: Integrated Cushioned Palm Rest Keywords: Office, Productivity, Wrist Support, Ergonomics, Computing, Peripheral, Tech, Home Office, Wired Desktop, Microsoft Hardware, Comfort, Split Keyboard, Precision Mouse