Easy to understand! Learn the contents of science experiments in O2 through video.The page with the icon in the O2 textbook is immediately recognized by the camera and linked to the experimental video.Experience the vivid experimentation and exploration process that could not be conveyed through photos.From the experimental process to the explanation of the principle, you can learn easily and in a fun way with videos.[ How to recognize the camera ]① Run the O2 Lab app.② Find the textbook page with the O2 Lab icon.③ The O2 Lab app recognizes the entire page with the camera.[ main function ]- Recognition of O2 textbook pages for middle school 1st, 2nd, and 3rd graders- Play experimental video streaming- Download experimental video- View / edit video list- Video composition: Experimental process, results, principle explanation, final quiz[ Precautions for using the service ]- For users prior to 3.0.0, it is recommended to delete the existing app and install the new 3.0.0 version.- Data charges may apply when downloading in 3G/LTE environments.- We recommend downloading in a Wi-Fi environment.- Recognition is possible from textbooks released after 2018.[Application setting guide]1. Required Permissions - Storage space, camera access (used when recognizing O2 textbooks for emergency education)2. Optional permission - Allow notifications: Receive notifications about the app (You can change this in the device application settings.)