Dell Axim X50v - Handheld - Windows Mobile 2003 SE - 3.7" color TFT ( 480 x 640 ) - Bluetooth, Wi-Fi This handheld comes equipped with the Microsoft Windows Mobile 2003 Second Edition operating system with Windows Media Player 10 Mobile. It includes an integrated CompactFlash Type II and Secure Digital / SDIO Now! / MMC card slots for flexible expansion.