1) Controller: Action 2) Screen: 1.8 inch, 128*160 pixels, 65K full-color, TFT 3) Capacity: Built-in flash memory 128M/256M/512M/1GB/2GB 4) FM Stereo Radio: Built-in FM tuner with 20 channel presets 5) Battery: Built-in rechargeable Li-polymer battery 6) Built-in a speaker 6) Aluminum alloy & plastic 7) Dimensions (L*W*H): 90*41*8.2(mm) 8) Weight: 40g 9) Display: 9.1) 16 kinds of languages 9.2) Synchronous lyrics 9.3) Browse pictures (BMP/JPEG/GIF format) 10) Record & Play: 10.1) A-B repeat 10.2) Voice recording 10.3) USB drive ( USB2.0) 10.4) 7 kinds of equalizer modes 11) Audio File Format: MP3/WMA/WMV/ASF/WAV/OGG 12) Video File Format: AMV