Logitech MK710, Wireless Keyboard incl. Wireless Mouse, Nordic Layout, Black
Probably you will not spend the batteries a lot, very long. They last for three years (both in the keyboard and the mouse. Logitech® Incurve ™ keys and a padded palm rest - as cut and cut for you. Compare handlover support in plastic with this padded support. The difference is like night and day.
You are no longer bound at the desktop (or at the computer). The wireless connection is encrypted and works almost completely without interruptions or delays. Both the keyboard and mouse batteries last for up to three years, so you do not have to worry about trouble-free and expensive battery replacements.