Movie function. playing movies download from the ASF format transformed MPEG-4 Playing effect is 320?40(Scan speed:30f/s) Audio function such as MP3/WMA/WMV/OGG format 2.4 inch 262k TFT LCD display Built in FM radio(Option)frequency ranged from 87.5MHz~108MHz and 76MHz~90MHz Browser JPG and E-Book when playing music Digital Voice recorder with WAV/mp3 /WMA format, 10 hours recording time for 128M with Speaker and microphone which support LINE-IN function(option) Support 128/256/512MB/1GB/2GB/4GB flash memory ID3,display lyric synchronously when playing a song Support PD-DRM (DRM9) Playforsure2.0, NTG(Napster TO Go) Both support Mini SD/MMC card and Flash memory Supports 11 languages USB2.0 high speed, without need of driver for Windows2000 or above Built-in 370mA Lithium Battery, Can play 10 hours with music. Firmware can be updated from website to extend the function AVI tools can convert and compress video format into AVI to replay Supporting video format including (wmv /asf/ amv etc.) Signal Noise Ratio:over 90db Operation moisture :0-40 degree Size:98*48*10mm