Features: 1.Wide Compatible: Wireless presenter remote is compatible for Win 98, for Win Se, for Win Me, for Win 2000, for Win XP, for Win Vista, for OS X, for Linux,for Android, supports for hyperlink, volume control, full screen, black screen, switch window, page turn 2.ABS and 2.4G RF Chip: Presentation clicker is made of ABS and 2.4G RF chip, which can be controlled freely in 360 degrees 3.Silicone Buttons: Silicone buttons provide a soft touch for the thumb. Convex buttons provide clear signals to prevent pressing the wrong button 4.Portable and Compact: The small and compact body does not take up too much use space, which is convenient for carry and use 5.Plug and Play: Wireless presenter remote is plug and play, no driver installation required, can be used without complicated process specification:Item Type:Presentation Clicker Material:ABS Remote Control Mode: Wireless Radio Frequency Technology OS:For Win, for OS X, for Android Wireless Frequency:2.4GHz Operating Voltage:1.5V Battery:1 x AAA Battery (not included) PackageList: 1 x PresentationClicker 1 x User Manual 1 x Receiver NoteShipped Without Battery