iDM9 October 09, 2024 00:11 FAQ How long does the internal battery last on a full charge? I have the speaker connected via Bluetooth to my PC / Mac. However, I cannot hear any sound coming through the speaker? DocumentationSee attached files below. iDM9 User Manual 200 KB Download iDM9 User Manual 200 KB Download Related articles iPBT50DG.EXV24 I have the speaker connected via Bluetooth to my PC / Mac. However, I cannot hear any sound coming through the speaker? How long does the internal battery last on a full charge?