You can see the information of today's learning assignment / Self-Revision / Skill Test at a glance.

You can re-learn the words learned in i-Learning, and you can check the wrong answers in the Review Test in the 5D Note menu.

When doing i-Learning Speaking/Writing assignments, you can also take necessary photos or videos using Cheongdam Buff and upload them easily.

Cheongdam Buff is a must-have and very useful learning tool for students.

*Main features of Cheongdam Buff

- Provides notifications for information in My Vocab to the mobile phone
- Guide to i-Learning assignments
- Possible to re-learn learned words of i-Learning
- Save wrong words or words to learn more through Starred display
- 5D notes to check incorrect answers in Review Test
- CARD type word learning and word test function
- Convenient photo and video shooting
- Upload photos and videos
- Uploaded video and image management

▶ Information on access rights
Please note that all access rights are being collected only for app use.
Selective access is subject to consent when using the function, and the app can be used even when permission is not granted.

[Required access rights]
- Device and app history: Access to check the app version.
- Communication log and WIFI connection: Access to optimize app usage and check network connection.

[Optional access rights]
- Photo/Media/File: Access to save and load photo and video content.
- Microphone: Access to record video for i-Learning learning submission.
- Take a photo/record a video: Access to take an image or record a video for i-Learning learning submission.

* Permissions can be adjusted by setting each device> App Information> App Permissions> Agree or Disagree by Access Permission.

*Customer center phone number: 1670-9407