Model No - COWON D2 PLUS 4GB

Supported File Tyepes
Music
MP3 -  MPEG1/2/2.5 Layer 3, ~320kbps, ~48KHz, Mono/Stereo
WMA - ~320kbps, ~48khz, Mono / Stereo
OGG  -  ~ Q10, ~44.1KHz, Mono / Stereo
FLAC - Compression Level 0~8, ~44.1KHz, Mono / Stereo
WAV - ~48Khz, 16bit, Mono/Steteo
APE - Normal, Fast 16Bit, 3.93 or  higher.

JetEffect - 5 Band EQ + EQ Filter, BBE+, Stereo Enhance
BBE+ BBE, Mach3Bass, 3D Surround, MP Enhance

Video 
AVI - Xvid~320x240, 30fps, MP3 audio
WMV - WMV9~320x240, 30fps,WMA audio
TV-out (TV-Out cable sold separately)

Record
32 ~ 256Kbps recording and playback
Voice, Line-in, External Mic

Picture
JPG, BMP
No limit on file size

Text
TXT file Viewer
Supports Max 2MB

Max numbers - 500 folders / 4,000 files

Radio
FM RADIO - 76MHz ~108MHz, 87.5MHz ~108Mhz
32 ~ 256kbps Recording

Display
2.5 inches 16M color TFT-LCD-QVGA (320x240) Touchscreen

Internal Memory - 4GB

External Memory - 1 Memory Slot for SD/SDHC Card or MMC Card

PC Interface USB 2.0 High Speed

File Transfer Speed  - Max. 35Mbps (Upload Max 40Mbps)

Battery - Internal Lithium Polymer battery

Battery Life
Movie - Max 10 hours of continuous play
Audio -  Max 52 hours of continuous play

Charging Time
Power adapter - ~3hrs, USB: ~5.5 hrs

Buttons 3 buttons (MENU, VOL, VOL+ )POWER & HOLD Switch

SNR - 95dB (A-Weighted)

Tunable frequencies - 20Hz ~ 20KHz

Sound Output - 16ohm Earphone : 37 mW + 37mW

Dimensions - 78.0 X 55.4 X 16.6 mm (Lx H x D )

Weight - 91g (Including the battery )

1 year warranty