1. USB 2.0 interface.
2. Support the format of MPEG 1/2/2.5/Layer 1/2/3/WMA.
3. Windows compatible file system as removable drives (FAT 12/16/32).
4. 8-segment LED screen (26x10 mm).
5. Rapidly download speed through USB interface.
6. Digital voice recoding function.
7. FF/REW for next/previous song selection.
1. LED: 8-digital segment LED. 2. Size: 93 x 30 x 23mm. 3. Weight: 36 grams (player body without battery). 4. Power: AAA Alkaline battery. 5. Data transferring interface: USB2.0. 6. Storage media: on-board flash memory (32/ 64 /128 /256MB/512MB/1G). 7. Bit rates: MP3 format 8~320kbps WMA format 5~384kbps. 8. S/N ratio: 90dB. 9. Earphone O/P: 50mW. 10. Frequency response: 20Hz~20kHz.