- The MK540 Advanced is an instantly familiar wireless keyboard and mouse combo built for precision, comfort, and reliability Specification KEYBOARD - WiFi range (in meters): 10 m - Spill-resistant design - Familiar key shape and feel, whisper-quiet - Adjustable Height: 3 tilt positions (natural, 4°, and 8°) - Special Keys: Music Controls, Programmable keys - Palm Rest - Abrasion resistant key print - 10-Key Number pad - Key type: Deep profile - On/Off power switch - Caps lock indicator light - Battery indicator light - 2 AA batteries (Alkaline Battery) - Battery: 36 months MOUSE - Sensor Technology: Smooth Optical Tracking - Number of Buttons: 3 (Left/Right-click, Middle click) - Scrolling: line-by-line - Scroll Wheel: Yes, 2D, optical - Connect/Power: On/Off power button - 1 AA battery (Alkaline Battery) - Battery: 18 months DIMENSIONS - Keyboard: * Height: 193.5 mm * Width: 457.3 mm * Depth: 24 mm * Weight (without batteries): 633 g - Mouse: * Height: 61.8 mm * Width: 39.2 mm * Depth: 11.5 mm * Weight: 73.5 g IN THE BOX - Wireless Keyboard K540 - Wireless Mouse M310 - Logitech Unifying receiver - 3 AA alkaline batteries (pre-installed) - User documentation