1. Capacity: Built-in flash memory 512M/1G/2G 2. Memory card slot: Mini SD(512M,1G,2G). 3. 2.4 inch, 320*240 pixels, 262K full-color, TFT 4. Battery: Built-in rechargeable Li-polymer battery. 5. Built in a speaker. 6. Display: 6.1).11 kinds of languages 6.2).Synchronous lyrics 6.3).Browse pictures (JPEG format). 7. Record & Play.7.1) A-B repeat . 7.2) Voice recording 7.3) USB drive ( USB2.0) 7.4) Kinds of equalizer modes:jazz, classic, rock, pop, normal, soft, DBB). 8.Audio File Format: MP3/WMA/WMV/WAV. 9.Video File Format: AVI. Packing: 1pc/paper box 20pcs/ctn Carton size: 47*21*27.6cm