If the speaker satisfies the following conditions for a certain time, it turns off automatically.

When the speaker is in BLUETOOTH mode

• No operation on the speaker.
• No BLUETOOTH connection has been established between the speaker and a smartphone or mobile phone via HFP/HSP.
• No music (sound) is played when the speaker is connected to a BLUETOOTH device.

When the speaker is in AUDIO IN mode

• No operation on the speaker.
• No music (sound) is played on an audio device connected to the AUDIO IN jack or the music (sound) of an audio device connected to the AUDIO IN jack is too small.
• No BLUETOOTH device is connected to the speaker via HFP/HSP.