1. Size:42 x 14 x 7mm,***allest in the world
2. Weight: About 18 grams (player body with battery)
3. Power: Rechargeable battery
4. Touch key, 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 resp***e: 20Hz~20kHz