Highlight:WORK FOR LONGER WITH LONG BATTERY: LIFE Basic AA and AAA batteries are included with the keyboard and mouse Works Best and Longest With Recommended POLAROID AA AAA Batteries atteries to provide up to 24 months of keyboard use and 12 months of mouse usageKEYBOARD AND MOUSE COMBO: The Logitech MK270 Wireless Keyboard and Mouse Combo includes a full size keyboard and a precision mouse so you can work comfortably away from your computerEASY STORAGE: The MK270 includes a plug and forget receiver that cleverly stores inside your mouse for safekeeping. System requirements are windows vista, windows xp, windows 7, windows 8 and windows 10DROP OUT CONNECTIVITY: Each MK270 includes a Logitech Nano receiver so you can instantly use the keyboard without installing any additional software. The 2.4GHz signal ensures you have a strong and reliable connection, so you willl never have to suffer through dropouts.PROGRAMMABLE HOTKEYS TO BOOST PRODUCTIVITY Automatically: access frequently used applications by programming them to the 8 available hotkeysSpecification: General Brand:Logitech Model: MK270 Color:BlackWeight & Dimensions Product Weight:0.48 Product Dimensions: 44.0 x 14.0 x 3.0cm Package Weight:0.84 Package Dimensions:46 x 19 x 4.5cmPackage Contents 1 x Keyboard 1 x mouse 1 x User Manual 1 x 2.4G dongle