Home Slickdeals Microsoft Natural Ergonomic Keyboard 4000 ~ $23 (New), $21 (Open-Box Excellent) @... Slickdeals Microsoft Natural Ergonomic Keyboard 4000 ~ $23 (New), $21 (Open-Box Excellent) @ BestBuy.com By ARCOM - 4 February 2019 114 0 SHARE Facebook Twitter Go to the deal page: Microsoft Natural Ergonomic Keyboard 4000 ~ $23 (New), $21 (Open-Box Excellent) @ BestBuy.com