The Logitech MK540 Wireless Keyboard and Mouse Combo is engineered for optimised comfort, precision and accuracy, ideal for left or right-handed individuals. The full-sized keyboard and mouse connects easily to media devices at distances of up to 10 meters away with the Advanced 2.4 GHz connectivity, eliminating drop outs. Using the tiny Logitech Unifying receiver, you get an instant plug-and-play connection: simply install the USB receiver in any USB port and gain full access to the wireless combo. Not only do you gain instant connectivity straight out the box, but the reliable long-lasting battery life means you don't have to worry about changing them regularly - with the keyboard lasting up to 36 months, and the mouse lasting up to 18 months.The keys on the wireless keyboard have been optimised for improved accuracy and reduced noise, with the soft palm rest and adjustable tilt legs to help keep you comfortable for long stretches at the desk. The convenient and essential hot keys along the top provide you direct access to media, calculator and battery-check functions, with preset Fn shortcuts which can be personalised within the Logitech Options - for complete control over your productivity. Built for longevity, the wireless keyboard is designed to be spill-resistant of up to 60 ml of liquid, with abrasion-resistant key printing ensuring your keys won’t quickly fade. The wireless mouse has been designed to keep you productive for hours, its design fits comfortably in either your right or left hand. The contoured shape and soft rubber side grips fit comfortably in your palm, and the enhanced tracking and precise cursor control keeps you in command of your workflow. Highlights; Plug and play your keyboard and mouse with one tiny USB receiver with Unifying technology delivers a reliable and encrypted wireless connection up to 10 meters away with virtually no delays or dropouts. All keys have been optimized for improved accuracy and reduced noise. Palmrest and adjustable tilt legs keep you comfortable for long stretches. Stay productive for hours with a wireless mouse designed to fit comfortably in either your right or left hand Enhanced tracking and precise cursor control keep you in command. Specifications; Compatible with: Windows 10 or later, Windows 8, Windows 7, Chrome OS Keyboard Size measurements; 0.94 in (24 mm) x 18.0 in (457.3 mm) x 7.62 in (193.5 mm) Weight: 1.77 lb (805 g) w/o batteries Mouse, 1.54 in (39.2 mm) x 2.43 in (61.8 mm) x 4.40 in (111.5 mm) Weight: 2.60 oz (73.5g )w/o batteries, w/o receiver