LOGITECH WIRELESS KEYBOARD MOUSE COMBO MK220

Wireless Range 10 meters (may vary due to environmental and computing conditions)
10-Key Number Pad Yes
Music Controls Yes
Keystroke Lifespan Up to 5 million keystrokes (excludes number lock key)
Key Type Deep-profile
Spill-resistant Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse the keyboard in liquid.
Batteries (Keyboard) 2 AAA batteries (Alkaline)
Sensor Technology Smooth Optical Tracking
Number of Buttons 3 (Left/Right-click, Middle click)
Scrolling Line-by-line
Scroll Wheel Yes, optical
Batteries (Mouse) 2 AA batteries (Alkaline)
Mouse Plastics 66% post-consumer recycled material (excludes plastic in packaging)
Keyboard Plastics 44% post-consumer recycled material (excludes plastic in packaging)
Receiver Plastics 75% post-consumer recycled material
Warranty 3 Years from Logitech Service Centre