Features: 2.4GHz wireless presenter pen with a USB receiver, plug and play, no need to install any software. Compatible with Windows XP/7/8/10, Mac OS, Linux. Support page up/down, full screen, black screen, window switch functions on Powerpoint, Prezi, Keynote, etc., easy to operation. The bright red light can be easy to see against most background. 10 meters remote control distance allows you to walk around to interact with your audience. There is a socket in battery compartment for storing the USB receiver. Magnetic suction design, usb receiver can be stored in the presenter pen, anti-lost. Compact and lightweight, no need to charge, AAA battery power supply(Battery is not included). A great assistant for teachers, professors, meeting presenters, etc. Specifications: Color: Black Material: ABS Remote Control: RF 2.4GHz Control Distance: 10 Meters Light Wave Length: 650nm Working Voltage: 1.5V Sleep Current: 30uA Battery: Powered by a AAA Battery(Not included) Operating System: Windows XP/7/8/10, Mac.OS, Linux Item Size: 10.5 * 3.8 * 2.5cm/ 4.1 * 1.5 * 1.0in Package Size: 15.5 * 8.7 * 2.5cm/ 6.1 * 3.4 * 1.0in Package Weight: 75g/ 2.8oz Packing List: 1 * PPT Clicker 1 * User's Manual