Type:USB AdapterOrigin:Mainland ChinaCertification:NoneModel Number:R400Package:NoWireless USB PowerPoint Presenter Pointer PPT Remote Control Pointer pen for PowerPoint Presentation teacher R400Feature:It suit Windows XP Windows Vista and Windows 7.window 8,WINDOW 10,MACUSB 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.