This is a page-turning remote control, suitable for laptop, desktop, smart TV, projector, set-top box and many other devices. Features: Using advanced 2.4Ghz wireless technology, the remote control distance can reach 20 meters in the open working environment area, and the signal can be received without limit. Integrated design, easy to carry, the receiver is located in the USB port of the demonstrator. The built-in lithium battery can be recharged many times, the battery is strong, and charge it for two hours and use it for three months. It can be plug and play without a driver. Automatic standby mode function, one-button function, easy to operate. Unique for Windows video control for convenient video and audio playback. Specification: Material: ABS Wireless Frequency: 2.4Ghz Remote Distance: Support up to 20 M / 65.6ft USB Port: USB3.0 / 2.0 / 1.1 Operating System: For Windows XP/ VISTA/ WIN7/ Win8/ Android/ Mac OS Product Size: Approx. 13.2 x 3.5 x 0.8cm / 5.2 x 1.4 x 0.3in Package List: 1 x Page Turning Remote Control 1 x Receiver 1 x Instruction Manual 1、Using advanced 2.4Ghz wireless technology, the remote control distance can reach 20 meters in the open working environment area, and the signal can be received without limit. 2、Integrated design, easy to carry, the receiver is located in the USB port of the demonstrator. 3、The built-in lithium battery can be recharged many times, the battery is strong, and charge it for two hours and use it for three months. 4、Automatic standby mode function, one-button function, easy to operate. 5、Unique for Windows video control for convenient video and audio playback.