MK540 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 – optimized for precision and noise reduction. The palmrest and adjustable tilt legs keep you comfortable for long stretches and the contoured mouse is designed to fit perfectly into either palm. Plug and play your keyboard and mouse with one tiny USB receiver with Logitech Unifying technology. You’ll get a reliable – and encrypted – wireless connection up to 32.8 ft away with virtually no delays or dropouts.

The Lenovo 510 Wireless Combo Keyboard & Mouse compliments your desk with a simple yet elegant design. Easily connects wirelessly with PCs using a nano-USB receiver. The keyboard features a durable, water-resistant casing equipped to handle the occasional spill. The island keys are designed to increase typing accuracy and comfort. The accompanying wireless mouse has ambidextrous design and features a 1200 dpi optical sensor for accurate pointing.

Ergonomic Vertical design allows a stress free natural hand position that allows the user to relax the hand muscles and wrist. The integrated hand rest lets the user rest their hand comfortably without touching the desk surface but can be removed to suit the user. The left and right switches are arranged to match the hand position so there is no "reaching" for buttons. The well placed precision scroll wheel also has a switch that can be customized.