Brand: Microsoft

Product: Microsoft Natural Ergonomic Keyboard 4000 v1.0 wired full-size split ergonomic desktop keyboard with integrated palm rest and numeric keypad.

Color: Black keycaps and housing with dark gray top trim and black cushioned palm rest.

Model details: Model 1048; Natural Ergonomic Keyboard 4000 v1.0; KU-0462; MS Part No. X823051-001; rating 5V, 100mA; designed in Redmond, WA USA; made in China.

Connection: Wired USB interface designed for desktop and laptop computers equipped with standard USB ports.

Layout: English QWERTY layout with split, curved key clusters, function row F1–F12, arrow keys, navigation keys, and full numeric keypad.

Controls and indicators: Top row hotkeys for web, email, documents, and multimedia shortcuts; dedicated transport and volume controls; central zoom slider; indicator LEDs near the palm rest for Num Lock, Caps Lock, Scroll Lock, and F Lock.

Features: Split ergonomic key layout, plug and play USB connectivity, integrated cushioned palm rest, Windows logo keys, enhanced function commands printed on the F-keys, front edge navigation buttons, and flip-out feet on the underside for adjustable typing angle.

Package includes: Microsoft Natural Ergonomic Keyboard 4000 wired USB keyboard with attached cable only; no software, manuals, or original box are included.

Notes: Popular ergonomic keyboard suitable as a replacement or spare full-size USB keyboard for home or office PCs.