Versatile 4-in-1 Design: Combines the functionality of a pen, pen clip LED light, pen tip LED light, and green pointer beam into one sleek device, suitable for writing, reading, presentation, etc. Enhanced User Experience: The white light switch is separated from the laser switch, easier to operate, and ensures a straightforward and hassle-free user experience. Convenient Charging Solution: With the newly designed charging base, keeping your O'Pen Glow powered up is a breeze. The fashionable and practical charging base provides always-ready use whenever you need it. Sleek and Sturdy Construction: The slim body proportion offers a comfortable and stylish grip, allowing for extended usage without discomfort. Lightweight yet durable, with the added lock function ensures worry-free carrying. Adjustable Brightness for Every Situation: The pen clip LED light can be easily adjusted from 5 to 120 lumens, allowing you to customize the brightness according to your needs.