2.0" display,used for playing on-line movie, support MPEG-4 of AVI format, Metal case. support SD card Audio : for playing audio format (support MP3, WMA) Photo browsing. Record: digital recording ( Mic only, Audio only) USB2.0 high speed,Support firmware upgradeable Accessory function: games (snake etc), perpetual calendar, memory testing With speaker,support multi-languages. Support FM radio Battery life:more than 7 hours