Telefunken T9HD. Display diagonal: 109.2 mm (4.3 "), Display resolution: 480 x 272 pixels, Display: TFT. Internal memory: 256 MB, Internal memory type: DDR2, Flash memory: 16384 MB. Processor clock speed: 833 MHz. Mobile operating system installed: Windows CE, Operating system version: 6.0. Wireless technology: 802.11b/g