Model No : iAudio U5-4GB

Supported File
Formats    MP3 : MPEG 1/2/2.5 Layer 3, ~320Kbps, ~48KHz, mono/stereo
WMA : ~320Kbps, ~48KHz, mono/stereo
WAV : ~48KHz, 16bit, mono/stereo
OGG : ~Q10, ~44.1KHz, mono/stereo
FLAC : Compression Level 0~8, ~44.1KHz, mono/stereo
 
FM Radio   
Frequency range : 87.5MHz~108MHz, 76MHz~108MHz(Japan Wide)
 
Memory   
4GB
 
USB Interface   
High Speed USB 2.0

Power Supply   
Built-in Rechargeable 3.7V Lithium Polymer battery(Max. 24 hours of continuous playback based on company test)
 
Charging Time   
About 2 hours (either USB or Adapter)
 
Buttons   
Power/Hold , PLAY, REC, FF, REW, VOL+, VOL-, MENU
 
Display   
1.8 inch 128x160 dots TFT LCD
 
SNR   
95dB (A-Weighted)
 
Output Frequency   
20Hz~20KHz
 
Output   
16 Ohm earphones : 32mW + 32mW
 
Dimension   
41.1 x 85.1x 9.3 mm (Width x Length x Thickness)
 
Weight   
35g (including lithium polymer battery)
 
System
Requirements    Pentium 200MHz or Higher
32MB Main Memory or more
50MB Hard Disk Space or more
256 or Higher color display

USB Port
CD-ROM Drive

OS
Microsoft Windows Vista/XP/2000/ME
MAC OS 9.X, 10.X (Only data transfer supported) 
Linux kernel v2.2 or higher (Only data transfer supported)
 
Warranty
One Year Manufacturers Warranty.