General

• Product: Logitech MK540 Advanced Wireless Keyboard & Mouse Combo

• Model: MK540 Advanced

• Type: Wireless keyboard and mouse set (2.4 GHz USB)

• Wireless Receiver: Logitech Unifying USB receiver (plug-and-play)

• Compatibility: Windows (7 / 8 / 10 or later) & Chrome OS systems

• Colour: Black

Keyboard Features

• Full-size layout: Includes numeric keypad and integrated palm rest

• Key type: Membrane keys with familiar key shape and feel

• Spill-resistant design: Up to ~60 ml liquid protection

• Tilt adjustment: 3 positions (natural, ~4°, ~8°)

• Hotkeys / multimedia keys: Yes (media, calculator, battery check, etc.)

• Battery: 2 × AA

• Battery life: Up to ~36 months on keyboard battery

• Indicators: Battery indicator, caps lock indicator

Mouse Features

• Type: Wireless optical mouse

• Buttons: 3 (left, right, scroll wheel)

• Tracking: Advanced optical tracking

• Form factor: Ambidextrous full-size with soft rubber grips

• Battery: 1 × AA

• Battery life: Up to ~18 months

Connectivity

• Wireless tech: 2.4 GHz RF with Logitech Unifying receiver

• Operating range: Up to ~10 m

• Plug & Play: Yes — no drivers required for basic use

Dimensions & Weight

• Keyboard: ~457 × 193.5 × 24 mm (~805 g)

• Mouse: ~111.5 × 61.8 × 39.2 mm (~73.5 g)