After playing audio for more than 15 hours at moderate volume levels, the unit still showed that it was 70 percent charged. (tomsguide.com)
The result is the bass sounding more full and rich at more moderate volume levels. (pcmag.com)
After several listening sessions at low or moderate volume levels, totaling several hours over the course of more than a week, it still had a 90 percent charge. (tomsguide.com)