Logitech MK220 Compact Wireless Keyboard and Mouse

Características 

Wireless range: 10 m 1 Wireless range
10-Key Number pad
Music Controls
Up to 5 million keystrokes (excludes number lock key)
Key type: Deep-profile
Spill-resistant 2Tested under limited conditions
2 AAA batteries (Alkaline Batteries)

Mouse
Sensor Technology: Smooth Optical Tracking
Number of Buttons: 3 (Left/Right-click, Middle click)
Scrolling: line-by-line
Scroll Wheel: Yes, optical
2 AA batteries (Alkaline batteries)