Wireless RF Remote logitech R400 control IR PPT Presenter 2.4 GHz USB Laser Pointer presentation presenter pen R400 lazer

Feature:

It suit Windows XP Windows Vista and  Windows 7.window 8,WINDOW 10,MAC
USB interface.
Red laser pen: in most background can be easily seen. 
Use distance for as long as 15 meters: can make in the room free walk around and interact with the audience. 
Battery power indicator: can make you understand the power balance situation, 
On/off switch can extend battery life.
Intuition type slide control button: can make you survey presentation material. 
Button a touch vested.
The design of the exterior of the smooth feel perfect achievement.

NOTE:no battery ,because battery can not ship