Microsoft Natural Ergonomic 4000 (B2M-00012) Wired Keyboard

About this item

Writers and office workers who type all day often go looking for the Microsoft Natural Ergonomic Keyboard 4000, part number B2M-00012. This open-box wired example is listed at $260, which is steep for a keyboard, so it's worth comparing other listings before you commit. A wired connection means no batteries or pairing, just plug in and type.

Is the Natural Ergonomic 4000 right for me?

Ergonomic keyboards take some getting used to, and comfort varies from person to person. If you've used this model before, you'll know whether it suits your hands.

• Part number: match B2M-00012 to the label in the photos.
• Connector: the plug type isn't in the title, so check it against your ports.
• Open box: ask about any previous use and key wear.
• Extras: see whether any palm rest or stand pieces are pictured.

Whatever you decide, eBay Money Back Guarantee coverage applies.