I don't know where you got the idea that it's a large device. It's smaller than a credit card, 0.65 inches thick, and weighs just a little over 3 ounces.
By the way, like most all Cowon devices it plays FLAC.Size 3.07 X 2.18 X 0.65 inches (78.0 X 55.4 X 16.6 mm)
Weight 3.21 oz (91 g) (Include Lithium Polymer battery)
Music
MP3 : MPEG 1/2/2.5 Layer 3, ~320kbps, ~48khz, mono/stereo
WMA : ~256kbps, ~48khz, mono/stereo
OGG : ~Q10, ~44.1khz, mono/stereo
FLAC : Compression Level 0 ~ 8, ~44.1khz, mono/stereo
WAV : ~48khz, 16bit, mono/stereo
APE: TBD **
JetEffect (BBE, Mach3Bass, MP Enhance, 3D Surround, Stereo Enhance) support
