CPU:SAMSUNG 2410 Processor, 266 Mhz FLASH:64MB DISPLAY:3.5" TFT LCD with touch-screen, 320 x 240 pixel OS:Windows 4.2 SD: SD and multimedia card slot GPS: high-sensitivity module and antenna built-in, SiRF star III, 20 channels are available cold start: <60 seconds Hot start: <5 second (open sky) Warm start: <30 second Video Player:Support MP4, WMV, ASF format Audio Player:Support MP3, WMA, WAV format Flash Player:Support flash format Photo Viewer:Support BMP, JPG format E-BOOK:Support TXT format Battery: 1100mAH/Removable battery, Speaker: mono 1W at 8 ohm Button: Power, Menu, Re Language:Support English,Chinese, Germany,Italy,Russia,France,Spanish :OS d: via SD card, Logo d: via SD card