1) Controller: Rockchip 2) Screen: 2.2 inch, 220*176 pixels, 262K full-color, TFT 3) Capacity: Built-in flash memory 128M/256M/512M/1GB/2GB 4) Memory card slot: Mini SD 5) Card reader: Mini SD card reading/writing 5) Battery: Built-in rechargeable Li-polymer battery 6) Built in a speaker 7) Housing: Plastic 8) Dimensions (L*W*H): 68*52*14.7(mm) 9) Weight: 52g 10) Display: 10.1) 3 kinds of languages 10.2) Synchronous lyrics 10.3) Browse pictures (JPEG format) 11) Record & Play: 11.1) A-B repeat 11.2) Voice recording 11.3) USB drive ( High speed USB2.0) 11.4) 7 kinds of equalizer modes 12) Audio File Format: MP3/WMA 13) Video File Format: AVI