BRS Series: what do the buttons do?

Here is what each button on your Gemini Sound BRS-series speaker does.

• M: Switches between Bluetooth and USB modes. It has no function if no USB stick is connected.
• Minus (-): Press for volume down. Hold to skip back a track.
• Play/Pause: Plays or pauses the audio.
• Plus (+): Press for volume up. Hold to skip to the next track.