HP iPAQ rw6815 Personal Messenger 64 M 2.7" TFT W Mobile™ 5.0 Professional. Display diagonal: 68.6 mm (2.7 "), Display: LCD, Pointing device: Touch-sensitive display for stylus and fingertip. Internal memory: 182 MB, Memory slots: Mini SD Slot: supports 4-bit mini SD type memory standard. Processor clock speed: 416 MHz, Built-in processor: Intel PXA272. Mobile operating system installed: Microsoft Windows Mobile 5.0 for Pocket PC, Phone Edition. Wireless technology: Integrated WLAN 802.11b, Bluetooth 1.2, IrDA