Sound becomes low while in use
- The sound may become low in the following cases. This is not a malfunction.
- When the built-in battery is running low and the CHARGE indicator flashes slowly, while the speaker is being powered by the built-in battery only.
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When the rechargeable built-in battery is running low as a result of long-time use of the speaker at a loud volume even though the speaker was connected to an AC outlet by a USB AC adaptor (commercially available) or to a computer that comes equipped with a USB charging port.
- If the sound becomes low while in use, follow the procedure below.
- Turn off the speaker.
- Charge the built-in battery sufficiently.