5-2.  Technical Specifications
MP3 Decoding Format  | Constant or Variable bit rate (8~320kbps),  | |
  | Sampling frequencies   | 
  | 
WMA Decoding Format  | Constant bit rate (5~192kbps), Sampling frequencies   | |
Internal Flash Memory  | 512MB  | 
  | 
  | NOTE: Some of the 512MB memory is used by the operating  | |
  | system. The actual memory available is less than 512MB as  | |
  | in all MP3 players.  | 
  | 
External Memory Support...  | SD/MMC card (not included)  | 
  | 
LCD Display  | 128 x 64 Large size Dot Matrix Reverse LCD display  | |
LCD   | White   | 
  | 
USB Interface  | USB 2.0 FULL SPEED   | |
Maximum Output  | 5mW + 5mW @32 ohms  | 
  | 
FM Frequency Range  | 87.5 - 108.0 MHz  | 
  | 
FM Record Format  | ADPCM format  | 
  | 
Voice Record Format  | WAV format, IMPCM/MSPCM/PCM, Mono 8k sampling rate  | |
Language  | English, simplified Chinese, traditional Chinese, English &  | |
  | European, English & Korean, English & Japanese, English & Russian  | |
Operating System  | Windows 98SE/Me/2000/XP, Mac OS X 10.2.6 or above  | |
S/N Ratio  | >50 dB  | 
  | 
THD | 0.01~5%  | 
  | 
Frequency Range  | 20Hz~20 kHz  | 
  | 
Battery  | 1 x AAA alkaline battery (included)  | 
  | 
Maximum Playing Time  | 7~8 hours on one alkaline battery (MP3 file played at 128kbps)  | |
Working Temperature  | 
  | |
Dimensions  | 67x48x16 mm / 2 5/8“ x 1 7/8“ x 5/8” (LxWxD)  | |
Weight  | 37g, 1.3 oz (without the battery)  | 
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  | 31  | |