Microsoft Natural Ergonomic Keyboard 4000 Wired USB PC Split Key Comfort Black Condition: Good used condition with minor wear from regular use. No missing keys or major damage. Some light surface scratches and scuffs visible, particularly on the underside and near the wrist rest as shown in photos. Model: 1048 | Part No: X823051-001 | Serial No: 7687606546859 Features a split, curved ergonomic key layout for natural hand positioning and comfort Padded integrated wrist rest for support during long typing sessions Full number pad, additional media controls, and programmable hotkeys Includes a central scroll wheel for easy navigation Wired USB connection for reliable plug-and-play performance with most PCs Visible Microsoft branding on keyboard Made in China, dated 07/2017 on label Perfect for office, home, or anyone in need of ergonomic typing support See photos for exact item details and condition