Feature: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 turn2. ABS and 2.4G RF Chip: Presentation clicker is made of ABS and 2.4G RF chip, which can be controlled freely in 360 degrees3. Silicone Buttons: Silicone buttons provide a soft touch for the thumb. Convex buttons provide clear signals to prevent pressing the wrong button4. Portable and Compact: The small and compact body does not take up too much use space, which is convenient for carry and use5. Plug and Play: Wireless presenter remote is plug and play, no driver installation required, can be used without complicated processSpecification:Item Type:Presentation ClickerMaterial:ABSRemote Control Mode: Wireless Radio Frequency TechnologyOS:For Win, for OS X, for AndroidWireless Frequency:2.4GHzOperating Voltage:1.5VBattery:1 x AAA Battery (not included).Package List:1 x Presentation Clicker 1 x User Manual1 x ReceiverNote:Shipped Without Battery