Logitech Wireless Keyboard & Mouse Combo, MK235, Black, USB Receiver, Full Size.

Logitech Wireless Keyboard & Mouse Combo, MK235, Black, USB Receiver, Full Size. Familiar keyboard layout. No learning curve involved. You will enjoy the comfort and simplicity of a traditional full-size keyboard layout from day one. Long battery life Built to last Reliable wireless Package Contents - Keyboard , Mouse , Wireless receiver , User Documents ,2 AAA batteries for keyboard ,1 AA battery for mouse Logitech non-unifying protocol (2.4GHz) with Nano USB receiver Wireless Range: 10 meters / 33 feet Wireless encryption: 128-bit Advanced Encryption Standard (AES) between devices and receiver Software Support: Logitech SetPoint