Original Lenovo Multimedia Remote N5902 Mini Wireless Keyboard - US functional mouse with flexible thumb control.
2、Fully QWERTY keyboard with integrated multimedia hotkeys.
3、Plug and play,no drivers to install.
4、Remote system control up to 10 meters(30 Technology:Two-way 2.4GHz Radio Frequency
Battery:2 AA Batteries（Not D
Input(Keyboard )3V =-=50mA
Input Dongle):5V===80mA
USB2.0 connectivity
Wireless Operating Range：10 Meter
Scrolling：Slider bar
2 buttons functionality：Left and Right button
Keyboard size: 135*126*27
Keyboard weight: 130g
System Support: Widows7, Windows Vista, Windows XP
Language: English
Number of keys: 77 keysPackage：1*Pc(Not Include Battery)