1. Power on: Insert the power cable, and press the power button for 3 seconds, it will be turned on and automatically enter the default mode--Bluetooth. 2. Search "SK020" on your computer and connect. 3. Configure the sound output device on your computer: Setting > System > Sound > Output > Choose your Output Device > SK020.

1. Power on: Insert the power cable, and press the power button for 3 seconds to turn on the speaker. 2. Insert the AUX cable/USB Flash Drive/TF card to the speaker and your device will connect to the corresponding mode automatically.

1. Press the power button to turn on/off the light.

1. Ensure that the speaker is powered on. 2. Check that the speaker is connected successfully. 3. Check the volume on the speaker, the computer, and the App is turned on. 4. Configure the sound output device on the computer. 5. Connect the speaker to a different device to test if the issues are with the speaker or the computer.