Features 
1).Supportihe format of MP3/WMA&U-DISK(Unit Size:52*17*8mm)
2).Windows compatible file system as removable drives
 (FAT 12/16/32)
3).Windows98/ME/2000/XP(NO driver procedures are needed
  windows 98)
4).No display
5).Recharqeable battery
6).USB 2.0 High Speed interface
7).MLC type NAND flash available
8).Necklace case,touch button
Specifications
1).Weight:About 18 grams(player bodywith battery)
2).Power:Rechargeable battery
3).Data transfering interface:USB 2.0 High Speed
4).Storage media:on-board flash memory(128m/
 256m/512m/1G/2G/4G)
5).Bit rates:MP3 format 8~320kbps WMA format 32~384kbps
6).S/N ratio:90dB
7).Earphone O/P:50mW
8).Frequency response:20Hz~20kHz

Packing information: 
 Unit size:           52*17*8mm  
 Unit weight:      9/43.6g
 Unit packing:    Gift box    
 Box size:            16*13*3cm