PORTABLE PRESENTER REMOTE - The finger ring design is practical, ensuring a secure grip so you never misplace your presenter clicker again. PLUG & PLAY - No software installation required; simply plug into the USB for seamless functionality. The remote supports page up, page down, black screen, and full screen functions. RIGHT LIGHT & LONG CONTROL RANGE - The bright red light is easy to see against most backgrounds; the presenter remote control range is 98 FT, with a light distance of 328FT, allowing you to move freely around the room and engage with your audience. WIRELESS PRESENTER SUPPORT - Compatible with various systems including Windows 2003/XP/Vista/7/8/10, Mac OS, Linux, and Android; supported software includes PowerPoint, Google Slides, iWork (Keynote, Numbers, Pages), Prezi, MS Word, Excel, ACD See, and websites. RECHARGEABLE PRESENTER CLICKER - Features a built-in 120mAh Lithium battery, with a fast charging time of 1 hour, supporting up to half a month of usage, and includes an auto sleep function to conserve energy. Light Color: Red. Radio Frequency: 2.4GHz. Light Class: 3R. Light Output Power: Less than 5MW. Working Voltage: 1.5V. Built-in 120mAh Lithium battery - charged via USB cable. Light Distance: Up to 100m (328ft). Remote Control Range: Up to 30m (98ft). Colour: Black. Material: Soft Plastic. Size: 43 x 34mm. Package Contents: 1 x Wireless Presenter Remote Control, 1 x Wireless Receiver, 1 x USB Charging Cable, 1 x Pouch Case. Only the contents listed above are included; other products are not part of the package. Note: Lighting and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement allowance error is +/- 1-3cm.