Made for you. The advanced MK540 Advanced is a custom-made keyboard and mouse set designed for precision, comfort, and reliability. The shape, size, and feel of this full-size keyboard feel like you've been using it for years, and the contoured mouse fits perfectly in either hand. Plug-and-play wireless set: Connect your keyboard and mouse using one tiny Logitech Unifying USB receiver. Enjoy a reliable—and encrypted—wireless connection with a range of up to 10 meters (33 feet) with virtually no dropouts or lag. A familiar typing experience: Keys are optimized for greater accuracy and reduced noise, and the familiar layout and surface feel right at home. A wrist rest and adjustable feet ensure comfort during long hours at your desk. Contoured, comfortable mouse: The contoured shape and soft rubber sides of the wireless mouse fit comfortably in either hand, while improved tracking and precise cursor control give you complete control. Productivity at your fingertips. Convenient, essential hotkeys provide direct access to media, calculator, and battery check functions. Preset function keys can be personalized in Logitech Options software to suit your workflow. Reliable, worry-free performance. The keyboard won't require changing batteries for 36 months and the mouse for 18 months. The keyboard is spill-resistant up to 60 ml, and abrasion-resistant keycap printing ensures the keys won't fade quickly. Specification KEYBOARD Application Universal Device Interface USB Keyboard Type Membrane Keyboard Layout QWERTY Keyboard Language American International Pointing Device No Keyboard Size Full-size (100%) Numeric Keypad Yes Windows Keys Yes Hot Keys Yes Programmable Hot Keys Yes Multimedia Keys Yes Connectivity Method Wireless USB Hub No Intended Use Universal Fingerprint Reader No Frequency Band 2.4 GHz Quiet Keys Yes Spill-resistant up to 60 ml Number of Height Settings 3 Angle Adjustment (Min) 4° Angle Adjustment (Max) 8° Built-in Power Switch Yes DESIGN Backlight No Keyboard Style Straight Full-size Keyboard Yes Wrist Rest Yes Adjustable Keyboard Height Yes Product Color Black, White Surface Color Monochrome Security Features Spill-resistant, Abrasion-resistant LED Indicators Battery LED Battery Indicator Yes FEATURES Wireless Router Range 10 m Feature Support Plug & Play Yes POWER Power Type Battery Keyboard Battery Type AA Number of Batteries (Keyboard) 2 Battery Type Alkaline Battery Capacity 2000 mAh Battery Life 36 months Supported Battery Type AA Number of Batteries Supported 9 MOUSE Mouse Included Yes Layout Ambidextrous Motion Sensing Technology Optical Number of Buttons 3 Button Type Pressed Buttons Scroll Wheel Yes Scroll Type (Scroll Type) Wheel Scroll Directions Vertical Mouse Battery Type AA Mouse Battery Life 18 months Number of Batteries (Mouse) 1 Rubber Grips Yes Number of Mouse Scroll Wheels 1 SYSTEM REQUIREMENTS Supported Operating Systems Windows Windows 7, Windows 10, Windows 11 Other Supported Operating Systems ChromeOS WEIGHT AND DIMENSIONS Keyboard Dimensions (WxDxH) 457.3 x 24 x 193.5 mm Keyboard Weight 805 g Mouse Dimensions (WxDxH) 39.2 x 111.5 x 61.8 mm Mouse weight 73.5 g