Feature: 1. [Versatile Functionality] The Bisofice page-turning pen is equipped with electronic ink, allowing for seamless page flipping, full-screen functionality, and adjustable mouse speed. It also features a built-in alarm clock and volume control for added convenience.Support most office presentation software such as PowerPoint, Keynote. 2. [Easy to Use, Plug and Play] No need for software installation, simply plug the USB dongle into your computer and start using the wireless page-turning pen. Compatible with both Windows and Mac systems, this pen offers a 30m/98.4ft remote control distance and a 200m/656.1ft red light distance. 3. [Long Battery Life] With its built-in lithium battery, this pen provides 18hrs continuous long-lasting power for all your page-turning needs. Say goodbye to constantly changing batteries and enjoy uninterrupted productivity. Specification: Features: [Versatile Functionality] The Bisofice page-turning pen is equipped with electronic ink, allowing for seamless page flipping, full-screen functionality, and adjustable mouse speed. It also features a built-in alarm clock and volume control for added convenience. Support most office presentation software such as PowerPoint, Keynote. [Easy to Use, Plug and Play] No need for software installation, simply plug the USB dongle into your computer and start using the wireless page-turning pen. Compatible with both Windows and Mac systems, this pen offers a 30m/98.4ft remote control distance and a 200m/656.1ft red light distance. [Long Battery Life] With its built-in lithium battery, this pen provides 18hrs continuous long-lasting power for all your page-turning needs. Say goodbye to constantly changing batteries and enjoy uninterrupted productivity. [Perfect for Office and Education] Whether you're giving a presentation, reading e-books, or navigating through documents, the Bisofice RCRF-070 page-turning pen is the ideal tool. A great choice for professionals and students alike. [Compact and Portable] - its compact design -128.1 x 31.4 x 13.8mm, easy to carry around. It fits comfortably in your pocket or bag, making it an ideal tool for business meetings, lectures, and other presentations. Specification: Transmitter Remote control technology: RF 2.4GHz Remote control distance: 30M/98.4ft Laser distance: >200 meters/656.1ft (demonstration environment) Laser power: