1.      Support the format of MP3/WMA&U-DISK

2.      Windows compatible file system as removable drives (FAT 12/16/32)

3.      Windows98/ME/2000/XP(NO driver procedures are needed above windows 98)

4.      No display

5.      Rechargeable battery

6.      USB 2.0 High Speed interface

7.      MLC type NAND flash available

8.      Necklace case, touch button.

Specifications

1.      Size:42 x 14 x 7mm

2.      Weight: About 18 grams (player body with battery)

3.      Power: Rechargeable battery

4.      Data transferring interface: USB 2.0 High Speed

5.      Storage media: on-board flash memory (128M /256M/512M/1G/2G/4G)

6.      Bit rates:  MP3 format 8~320kbps  

WMA format 32~384kbps

7.      S/N ratio: 90dB    

8.      Earphone O/P: 50mW

Frequency response: 20Hz~20kHz 
.