The MK545 Advanced is an instantly familiar wireless keyboard and mouse combo built for precision, comfort, and reliability. The full-size keyboard features a familiar key shape, size, and feeling – and the full-size, contoured mouse provides comfort for hours. The keys have been optimized for improved accuracy and reduced noise – and your fingers will immediately feel at home on the familiar key surface and layout. The textured palm rest and adjustable tilt legs keep you comfortable for long stretches at the desk. WARRANTY 12 Month Return to Base Warranty FEATURES USB Wireless Windows, ChromeOS Support 36 Month Keyboard Battery Life 24 Month Mouse Battery Life Laser Sensor - Mouse SPECIFICATIONS Interface Unifying USB Wireless Receiver Keyboard 36-month keyboard battery life Familiar key shape and feel, whisper-quiet 3 tilt positions (natural, 4°, and 8°) Spill resistant design Abrasion resistant key print Advanced 2.4GHz wireless (10 meters) Wireless encryption Tiny USB receiver with Logitech Unifying Technology On/off power switch Caps lock indicator light Battery indicator light Mouse 24-month mouse battery life Contoured shape with soft rubber grips Full-size and ambidextrous shape Laser-grade tracking 7 buttons, scroll wheel On/off power switch Battery indicator light Wireless Range 10m OS Support Windows 7, 8, 10 Chrome OS Battery Keyboard: 2x AA Batteries Mouse: 2x AA Battery Dimensions (mm) Keyboard - 457.3 (w) x 193.5 (d) x 24 (h) Mouse - 65 (w) x 120 (d) x 41 (h) Weight (W/o Batteries) Keyboard - Approx. 805g Mouse - Approx. 83g