[User-Friendly Design] - The RF-071 laser page-turning pen is easy to use with plug-and-play functionality. It requires no software installation and is compatible with Android, LINUX, and systems. The pen supports functions such as page up/down, and long-press for full screen and exit full screen. [Extended Remote Control Distance] - With a remote control distance of up to 30m/98.4ft and a 200m/656ft red light distance, this wireless presenter remote allows you to move freely around the room during your presentation, highlighting key points with ease. [USB/Type C Dual Interface Receiver] - The receiver of this presenter pen features both USB and Type-C interfaces, making it suitable for a wide range of devices. Simply plug it in and start your presentation without the need for any drivers. [Long Battery Life] - This presentation clicker is equipped with a built-in lithium battery, offering extended 18hrs continuous usage time, which ensures that your presentations can go on without interruptions due to low battery power. [Compact and Portable] - its compact design -143x23x14.5mm, easy to carry around. It fits comfortably in your pocket or bag, making it an perfect tool for business meetings, lectures, and other presentations. Laser power: 2mW Laser wavelength: 650nm Voltage and current: 3.7V/25mA (static 50uA) Battery: Built-in 3.7V/200mA polymer lithium battery Charging current: 500mA/5V (Micro-USB) Receiver: Type-C/USB double (receiving range 20-30 meters) Receiver : , OS, Linux Colour:Black Material:plastic Package Contents: 1 x PowerPoint Clicker 1 x USB Type C Adapter 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.