The NewJeans Official Light Stick app is the official mobile application for the NewJeans OFFICIAL LIGHT STICK. With this app, users can seamlessly connect their light stick to their smartphone via Bluetooth. By pressing the buttons on the light stick, users can activate the Power & Bluetooth function and enjoy various stage effects during concerts by entering their ticket information.

For fans looking to personalize their concert experience, the app offers a Self mode where users can select their preferred LED lighting color. Additionally, users are reminded to check their ticket information before the concert and ensure that their light stick is fully charged to avoid disruptions during the show.