Olight O'Pen 3 4-1 Multi-Functional EDC Pen & Light Review

Published on June 2, 2026
Duration: 10:38

The Olight O'Pen 3 is a versatile 4-in-1 EDC tool that combines a writing pen with multiple light functions and a green laser. It features a smooth gel ink writing experience, a bolt-action mechanism, and a bright LED light with adjustable lumens, including a red light option for preserving night vision. The pen also includes a 5mW green laser pointer and is constructed from durable aluminum with a spring-loaded pocket clip. It charges via USB-C and offers a quick one-hour charging time.

Quick Summary

The Olight O'Pen 3 is a versatile 4-in-1 EDC tool combining a smooth gel ink writing pen with a multi-mode LED flashlight (up to 120 lumens), a red light, and a 5mW green laser pointer. It features a durable aluminum body, a secure bolt-action mechanism, a spring-loaded pocket clip, and convenient USB-C charging that takes about an hour.

Chapters

  1. 00:32Introduction: The Pen is Mightier
  2. 00:59Olight O'Pen 3 Overview
  3. 01:15Writing Implement Features
  4. 01:53LED Flashlight Modes
  5. 02:11Red Light Functionality
  6. 02:32Green Laser Pointer
  7. 02:41Pen Tip Light
  8. 02:51Pocket Clip Design
  9. 03:01USB-C Charging
  10. 03:22Refill Replacement
  11. 03:42Build Quality and Texturing
  12. 04:04Comparison to Other O'Pen Models
  13. 04:21O'Pen Mini, O'Pen 2, O'Pen Glow
  14. 04:52Special Editions and Pricing
  15. 05:30Conclusion and Versatility

Frequently Asked Questions

What are the main functions of the Olight O'Pen 3?

The Olight O'Pen 3 is a 4-in-1 tool that functions as a writing pen with gel ink, a multi-mode LED flashlight (up to 120 lumens), a red light for night vision, and a 5mW green laser pointer. It also features a durable aluminum body and USB-C charging.

How bright is the flashlight on the Olight O'Pen 3?

The Olight O'Pen 3's main LED flashlight can reach up to 120 lumens. It also has a dedicated pen tip light at 0.4 lumens for close-up writing tasks and a red light mode that goes up to 10 lumens.

How is the Olight O'Pen 3 charged and how long does it take?

The Olight O'Pen 3 is charged via a USB-C port. It comes with a double USB-C cable and fully charges in approximately one hour, indicated by a small red charging light.

What is the build quality and design of the Olight O'Pen 3?

The Olight O'Pen 3 is constructed from aluminum with a hard matte anodized finish and features 'meteor shower' texturing for grip. It has a positive bolt-action mechanism and a spring-loaded pocket clip for secure carry.

More EDC & Lifestyle Videos You Might Like

More from SensiblePrepper

View all →