bought in January 2014 and about 4 months often used. Songs weakens the battery already, would be loaded with low volume after only 3-4 hours, not after 7 hours as indicated. Very unfortunate.
The sound is clear bassy, perhaps a bit too much and neutral in any case - but I mags. Playback is very good in all frequency ranges, even at very low volume. Noise is not heard.
Without the battery problem there 5 Star.
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Update
Repair service was very good during the warranty. Battery and charger and apparently parts of the speaker Electronics (PCB Assembly) were exchanged. In a first test, the battery lasted again for 7 hours without any reported the loading control.
Hopefully bleibts way.
