Capacity: 1GB ~ 4GB available Color: Black, Sliver, Green, Red and Blue Screen: OLED screen PC interface: USB2.0 Battery: Play about 5 hours FM RADIO: Support Record: Support Product size: 83mm*13mm > Support 5 kind of audio/ A-B circular model / Multi-cycle model > Blue backligh > Support ID3 songs, lyrics show > Support FM record, MP3 ENCODE, MIC record >FM radio: 87.5-108MH, Automatical search > Support MP3, WAV, WMA format > Graphic key, easy to play > Support stereo sound, support delete document > Language: Simplified Chinese, Traditional Chinese, English > Portable USB2.0, USB inline, non-driver (above WIN98)