You can connect the light stick to your smartphone via Bluetooth.

Turn on the light stick and press the button twice to enter Bluetooth mode.
Enable Bluetooth on your smartphone and bring the light stick close to the smartphone screen.

The light stick will pair with your smartphone automatically.

[App Permissions Information]
In accordance with Article 22-2, Paragraph 1 of the Information and Communication Network Act (disclosure of reasons for accessing information and features stored in mobile devices and implementation of consent procedures), we provide the following information about required app permissions:

[Optional Permissions]
Location: Used for BLE (Bluetooth Low Energy) connection.
BLE: Used to connect the light stick.