I was curious how long the battery in the X3 lasts with newest firmware 3.0 I've grabbed a CD to wav, cut it exactly to 1:00:00 and then converted in Foobar2000 to mp3 (320k CBR lame), FLAC (level 5), upsampled to 24/96 and converted to FLAC (level 5). Created three folders (mp3, 16-441...

I have charged my X3 with a USB 5V 1A charger but I thought it isn't fast enough, so I bought a 5V 2.1A charger. The problem is the 2.1A charger doesn't charge any faster than the 1A charger. It took over 6 hours to fully charge from an (almost) flat battery but according to the manual with a...