WIRELESS MOUSE AND KEYBOARD COMBO: Reliable 2.4GHz Wireless Connection. A tiny Logitech Nano-receiver connects both the keyboard and mouse using just one USB port
IN THE BOX: Keyboard, mouse, userd documentation
ALL-IN-ONE SETUP: Includes a full-size keyboard with quiet, low-profile keys plus a portable contoured mouse for comfortable control
SYSTEM COMPATIBILITY: Plug and Play Simplicity for Windows PCs. Works right out of the box with Windows XP, Vista, Windows 7 and 8 - no software installation required.
Illuminated Keys: Yes
LONG BATTERY LIFE: Get up to 24 months of keyboard power and 12 months of mouse power without changing batteries
EIGHT HOT KEYS: Instantly access your movies, music, the Internet, e-mail, volume, play/pause and more

Technical Info:
*Wireless range: 10 meters                                  
*Wireless range may vary due to environmental and computing conditions.
*Keyboard
Spill-resistant design  Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse the keyboard in liquid.
Adjustable keyboard height
10-Key Number pad
Key type: deep profile
Caps lock indicator light
On/Off power switch
2 AAA batteries（Alkaline Battery）
Battery life: 36 months 3Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Mouse battery life may vary based on user and computing conditions.
*Mouse
Sensor technology: Smooth Optical tracking
Number of buttons: 3 (Left/Right-click, Middle click)
Scrolling: line-by-line
Scroll Wheel: Yes, 2D, optical
Connect/Power: On/Off power button
1 AA battery（Alkaline Battery)
Battery life: 12 months