Logitech MK540 Wireless Keyboard and Mouse Combo

RELIABLE PLUG AND PLAY: The USB receiver provides a reliable wireless connection up to 33 ft (1), so you can forget about drop-outs and delays and you can take it wherever you use your computer.Keyboard Key type: Deep profile. Mouse Scroll Wheel: Yes, 2D, optical. Enhanced Function Keys : Yes. Ergonomic : No. · TYPE IN COMFORT: The design of this keyboard creates a comfortable typing experience thanks to the low-profile, quiet keys and standard layout with full-size F-keys, number pad, and arrow keys, Caps lock indicator light · DURABLE AND RESILIENT: This full-size wireless keyboard features a spill-resistant design (2), durable keys and sturdy tilt legs with adjustable height. Comfortable Mouse: This compact wireless mouse is designed to be equally comfortable for both left- and right-handed users, plus its smooth cursor control allows easy navigation on most surfaces · LONG BATTERY LIFE: MK540 combo features a 36-month keyboard and 12-month mouse battery life (3), along with on/off switches allowing you to go months without the hassle of changing batteries · FEATURES: Programmable keys; Whisper quiet; Palm Rest Support; Battery indicator light · BATTERY INFORMATION: Requires Three AA batteries