Suggested Retail:$89. Logitech Wireless Desktop MK710 - Keyboard - wireless - 2.4 GHz - mouse - USB wireless receiver - English - US - WLS DESKTOP MK710 UNIFY RECEIVER. Up to three-year Battery life for both keyboard and Mouse. Better power management practically eliminates the need to replace batteries. Keyboard Battery life calculation based on an estimated two million keystrokes/Year In an office environment. User experience may vary. Mouse Battery life may vary based on user and computing conditions. This keyboard features Logitech In-curve keys and a cushioned palm rest. Concave keys position your fingers properly, and their softly rounded edges invite your fingertips to glide from key to key, hour after hour. Keys so comfortable, you'd think they were custom-made to fit your fingers. Hyper-fast scrolling lets you fly through long documents with the nearly friction-less scroll wheel, or shift to precise click-to-click scrolling to navigate lists, slides, and image collections. . 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.